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).

Ex 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

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


Ex Input:
Paragraph: Larger alkenes have lower boiling and melting points.
 Question: While in the lab, Sharon and Joe were testing alkenes; Sharon's alkenes were much smaller than Joe's. The melting point of Sharon's alkenes will be _____ than Joe's. 
 Choices: A)lower 
B)higher

Ex Output:
higher


Ex Input:
Paragraph: If salt is added to a volume of water, there are more molecules in the same volume, so the water is denser.
 Question: If Milo wants to make his water saltier and begins removing salt to the glass, what happens to the density of the glass of water? 
 Choices: A)decreases 
B)increases

Ex Output:

decreases