input: OPTIONS:
- alpacas
- bacteria
- animals
- polar bears
- phytoplankton
- rabbit
- viruses
- humans Now, answer this question: You are presented with the quiz "What can generate little bursts of heat by shivering?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "mammals can also generate little bursts of heat by shivering" and "polar bears are mammals". So, what's the best answer to the question?
A:
output: polar bears
You are presented with the quiz "_ cells divide more often than normal cells" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "cancer cells divide more often than normal cells, and grow out of control" and "cancer cells are a type of malignant cell". So, what's the best answer to the question?

OPTIONS:
- Nerve
- retina
- Most plants
- heat or cold
- Endothelial
- Stem
- Malignant
- layers of fat

Answer: Malignant
Problem: OPTIONS:
- a lot of human deaths
- Plant growth is reduced
- harmful substances
- Dehydration
- matter vibrating
- producing obesity
- major threat to health
- Leptospirosis
Q: You are presented with the quiz "pituitary hormones can be blamed for what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "most pituitary hormones control other endocrine glands" and "an abnormal endocrine gland is often blamed for producing obesity". So, what's the best answer to the question?
Answer: producing obesity
Problem:OPTIONS:
- eyes
- caverns
- body water
- food
- lungs
- allow growth
- drink
- arteries

You are presented with the quiz "Mollusks have a circulatory system with one or two hearts that move blood into what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "mollusks have a circulatory system with one or two hearts that pump blood" and "blood is pumped by the heart into blood vessels called arteries". So, what's the best answer to the question?
****
A: arteries
You are presented with the quiz "What can cause harm to the most fragile part of the face?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "vinegar can cause harm to the eyes" and "eyes: The eyes and their surrounding area are the most fragile part of the face". So, what's the best answer to the question?
OPTIONS:
- Pesticides
- water
- cloudy days
- cigarettes
- light touches
- smoking
- vinegar
- viruses
vinegar
You are presented with the quiz "Cancer is a disease in which cells what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "cancer is a disease in which cells divide out of control" and "cancer cells grow and divide rapidly out of control". So, what's the best answer to the question?
OPTIONS:
- Something coming from a gland
- cause people to become sick.
- the body's largest organ
- major threat to health
- multiply purposely
- spread slowly
- multiply controllably
- grow and divide rapidly

Answer:
grow and divide rapidly