input: OPTIONS:
- It's dark
- flooding
- Heat energy
- Tornadoes
- The sun shines
- It rains
- evaporation
- Tropical Now, answer this question: You are presented with the quiz "When water vapor is in clouds and it gets cooler, what happens?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "water vapor condensing in clouds causes rain" and "if the cooling is sufficient, water vapor condenses into clouds". So, what's the best answer to the question?
A:
output: It rains
You are presented with the quiz "what causes cancer by producing mutations in DNA?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "most carcinogens cause cancer by producing mutations in DNA" and "asbestos is a known carcinogen". So, what's the best answer to the question?

OPTIONS:
- bacteria
- h2o
- Pesticides
- cigarettes
- asbestos
- A computer
- digestion
- Toxicity

Answer: asbestos
Problem: OPTIONS:
- temperature
- root growth
- population movement
- rainfall
- cloud density
- weather changes
- moon phases
- crust pressure
Q: You are presented with the quiz "Earth's tilt on it's rotating axis causes rapid what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "earth 's tilt on its rotating axis causes seasons to change" and "weather changes rapidly in all seasons". So, what's the best answer to the question?
Answer: weather changes
Problem:OPTIONS:
- heat
- solid plastic
- solid glass
- solid rock
- whistle
- sound
- a chime
- waves

You are presented with the quiz "Blowing air into what causes air to move inside it?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "blowing air into a whistle causes air to vibrate inside the whistle" and "when an object moves or vibrates, the air molecules around the object also vibrate". So, what's the best answer to the question?
****
A: whistle
You are presented with the quiz "what is a negative impact on an organism" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "disease has a negative impact on an organism" and "infectious diseases and diseases of malnutrition are prevalent". So, what's the best answer to the question?
OPTIONS:
- malnutrition
- plants
- hyperthyroidism
- cancer
- sweat
- laughter
- smallpox
- leukemia
malnutrition
You are presented with the quiz "What joins rivers?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "rivers are usually larger than streams" and "small streams join larger ones and are, themselves, joined by even smaller streams". So, what's the best answer to the question?
OPTIONS:
- vehicles
- loose soil
- sandstones
- ferry
- trail
- skyline
- streams
- Raft

Answer:
streams