Problem: OPTIONS:
- Yes
- No
Q: Do you think the right answer to the question "radioactive isotopes are commonly used to do what to the age of fossils?" is "observe it", given that radioactive isotopes are commonly used to determine fossil age?
Answer: No

Problem:OPTIONS:
- Yes
- No

Do you think the right answer to the question "what uses pheromones for courtship?" is "insects", given that insects use pheromones for courtship?
****
A: No

Do you think the right answer to the question "fires cannot burn where?" is "one celled organisms", given that fires cannot burn in the vacuum of space?
OPTIONS:
- Yes
- No
No

Do you think the right answer to the question "what causes volcanic eruptions?" is "water expanding", given that earthquakes cause volcanic eruptions?
OPTIONS:
- Yes
- No

Answer: No

Question: Do you think the right answer to the question "what does rock erosion cause them to do?" is "secrete h2o", given that rocks eroding causes them to breakdown?
OPTIONS:
- Yes
- No
Answer: No

input: OPTIONS:
- Yes
- No Now, answer this question: Do you think the right answer to the question "what do some plants use a stem to store?" is "h20", given that a stem is used to store h2o by some plants?
A:
output:
No