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).

Input: Consider Input: Paragraph: At higher concentrations, particles of reactants are crowded closer together, so they are more likely to collide and react.
 Question: Ian sees an object with few colliding particles, and he compares it to another object with few colliding particles. Which is true about the objects? 
 Choices: A)the object with many colliding particles has a lower concentration of particles 
B)the object with many colliding particles has a higher concentration of particles

Output: the object with many colliding particles has a lower concentration of particles


Input: Consider Input: Paragraph: Electrons at lower energy levels, which are closer to the nucleus, have less energy.
 Question: Mona is measuring electrons and their energy levels for a school science project. Some electrons are closer to the nucleus compared to others. Do closer electrons or electrons that are further away have less energy? 
 Choices: A)closer 
B)further away

Output: closer


Input: Consider Input: Paragraph: Air pressure is less at higher elevations.
 Question: Air pressure is higher in the 
 Choices: A)mountains 
B)valleys.
Output: valleys.