input: OPTIONS:
- supersonic
- a hydraulic system
- sun's heat
- Mechanical energy
- direct energy
- fossil fuels
- hydrogen and oxygen
- electromagnetic energy Now, answer this question: You are presented with the quiz "What powers rockets?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "an automobile engine transforms chemical energy into mechanical energy" and "rocket engines are reaction engines". So, what's the best answer to the question?
A:
output: Mechanical energy

input: OPTIONS:
- reusing materials
- It helps them survive
- eat the plant
- scare away birds
- reproduce
- hydrate their cells
- burrow in the dirt
- eat all the dirt Now, answer this question: You are presented with the quiz "What does an earthworm do that would help plants?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "earthworm burrows help aerate soil, which is also good for plants" and "dirt is really misplaced soil". So, what's the best answer to the question?
A:
output: burrow in the dirt

input: OPTIONS:
- bacteria
- a carcinogen
- A Greek letter
- a pathogens
- animals
- an infection
- insects
- dangerous Now, answer this question: You are presented with the quiz "A parasites that can kill is called what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "some parasites kill their host, but most do not" and "pathogens induce a disease in their host". So, what's the best answer to the question?
A:
output:
a pathogens