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: For a given medium such as air, sound has a slower speed at lower temperatures.
 Question: If Mary is blowing an air horn underwater and she raises the temperature of the water, what will happen to the speed of the sound waves generated by the air horn? 
 Choices: A)increase 
B)decrease

Output: increase


Input: Consider Input: Paragraph: The forest habitat of elephants has also decreased in size due to humans moving in, so the numbers of the elephants have decreased.
 Question: When humans grow trees what happens to the population of the animals in the forest 
 Choices: A)Lower 
B)Increase

Output: Increase


Input: Consider Input: Paragraph: The development of better missiles fostered better rocket technologies.
 Question: If Mona works in a defense lab and her company develops better missiles, what happens to the advancement of rocket technologies? 
 Choices: A)decreases 
B)increases


Output: increases