You will be given a definition of a task first, then some input of the task.
In this task, you're given a question, along with three passages, 1, 2, and 3. Your job is to determine which passage can be used to answer the question by searching for further information using terms from the passage. Indicate your choice as 1, 2, or 3.

Question: Which commune close to Bar-sur-Aube has the largest population? Passage 1:According to the United States Census Bureau, the township has a total area of , of which is land and , or 0.08%, is water. Geophysically, it is located within the great bend or kink of the lower Lehigh River mouth region due north of the cities of Allentown, NNW of Bethlehem and due west of Easton, Pennsylvania (on the mouth of the Lehigh). Moore Twp. contains one riverine drainage divide such that to the west it is drained into the Delaware River via historic Catasauqua Creek, Monocacy and especially Hokendauqua creeks, all of which originate in the township and are tributaries of the Lehigh River, and by the south and east draining Bushkill Creek tributary of the Delaware River (upper right corner of map above and right). Its landscapes compose the foothills south of its natural northern boundary — the over long Blue Mountain barrier ridge.
 Passage 2:The second largest February tornado outbreak on record impacted the Gulf Coast and East Coast regions of the United States beginning on February 23. The first significant tornadoes of the outbreak moved across southeastern Louisiana and southern Mississippi that evening, leaving significant damage and three deaths. The towns of Livingston and Laplace, Louisiana sustained heavy damage from strong EF2 tornadoes, and another EF2 near Purvis, Mississippi killed one person in a mobile home. An EF3 tornado also caused major structural damage in Paincourtville, Louisiana before destroying an RV park in Convent, killing two people at that location. Three simultaneous waterspouts were observed over Lake Pontchartrain during the event as well. Later that night, a large supercell thunderstorm developed over the Gulf of Mexico and moved ashore, producing a destructive EF3 tornado in Pensacola, Florida. The tornado injured three people and destroyed homes, townhouses, apartments, and a GE warehouse.
 Passage 3:Bar-sur-Aube is located some 30 km west by north-west of Chaumont and 25 km south-east of Brienne-le-Château. Access to the commune is by the D619 road from Ailleville in the north-west which passes through the centre of the commune and the town before continuing east to Lignol-le-Château. The D396 branches off the D619 south-east of the town and goes south to Juvancourt. The D4 goes south-west from the town to Couvignon. The D13 comes from Fontaine in the south and passes through the town before continuing north-east to Colombé-la-Fosse. The D384 goes north to Ville-sur-Terre while the D73 branches off it in the town and goes to Arrentières. in the north. The TER Champagne-Ardenne Troyes to Chalindrey railway passes through the commune coming from Vendeuvre-sur-Barse to the west to Bricon in the south-east with a station in the town. With a substantial urban area in the west and some forest in the south the commune is mostly farmland. 

Output:
3