instruction:
You are given a short paragraph, a question and two choices to answer from. Choose the correct answer based on the paragraph and write the answer(not the key).
question:
Paragraph: Aerobic exercise increases the size and strength of muscles in the heart and helps all your muscles develop greater endurance.
 Question: If one does no aerobic exercises, their heart muscles will become 
 Choices: A)stronger 
B)weaker
answer:
weaker


question:
Paragraph: At higher concentrations, particles of reactants are crowded closer together, so they are more likely to collide and react.
 Question: If Mona has filled a balloon with helium and she removes some gas from it, what happens to the likelihood that the helium particles will collide with each other? 
 Choices: A)more likely 
B)less likely
answer:
less likely


question:
Paragraph: More recently, the death rate has fallen because of the availability of more food and medical advances.
 Question: When the villagers are living longer, the food source is likely 
 Choices: A)great 
B)small
answer:
great