input with options: You are presented with the quiz "What has a tail?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "along tail can be used to move through water by an animal" and "sharks use their tail to move through the water". So, what's the best answer to the question?
OPTIONS:
- squids
- Bats
- tomatoes
- sharks
- trout
- humans
- rocks
- Mammal
output: sharks

input with options: You are presented with the quiz "What occurs when the muscular walls of blood vessels contract?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "constriction occurs when the muscular walls of blood vessels contract" and "cocaine also tightly squeezes, or constricts, the coronary arteries that feed blood to the heart". So, what's the best answer to the question?
OPTIONS:
- Dehydration
- rapid expansion
- smooth skin
- smoking tobacco
- loose bumping
- pinched nerves
- tight sqeezing
- movement
output: tight sqeezing

input with options: You are presented with the quiz "Secondary growth forms secondary" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "secondary growth forms secondary vascular tissues and bark" and "vascular tissue refers to blood vessels". So, what's the best answer to the question?
OPTIONS:
- blood vessels
- permineralization
- Conifers
- color of leaves
- oxidation reaction
- Most plants
- peachleaf willow
- shrub beds
output: blood vessels

input with options: You are presented with the quiz "What controls anti-aging?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "hormones are chemical messengers that control many body functions" and "growth hormone is in many ways an anti-aging hormone". So, what's the best answer to the question?
OPTIONS:
- A computer
- air
- chemical messengers
- ice
- an electric stove
- Electrical energy
- water
- Chemical energy
output:
chemical messengers