Given the task definition and input, reply with output. 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).

Paragraph: At higher temperatures, particles of reactants have more energy, so they move faster.
Question: If Milo is experimenting in his lab and he decreases the temperature in the room, what happens to the energy of the particles in that room?
Choices: A)it increases
B)it decreases
it decreases