Problem: OPTIONS:
- h2o
- Lobsters
- violence
- pigeons
- gases
- omnivores
- bullfrogs
- humans
Q: You are presented with the quiz "what species may be caused to fight each other by competition?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "competition may cause animals to fight towards members of their own species" and "humans are animals too". So, what's the best answer to the question?
Answer: humans
Problem:OPTIONS:
- alveoli
- fish
- plants
- trees
- rope
- homes
- clouds
- Roads

You are presented with the quiz "What can heavy rains damage?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "heavy rains cause flooding" and "flood waters damage 5,000 homes and buildings". So, what's the best answer to the question?
****
A: homes
You are presented with the quiz "What does plant reproduction require?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "plant reproduction requires pollination" and "honey bees provide honey and pollinate crops". So, what's the best answer to the question?
OPTIONS:
- dreams
- seeds
- bees
- food
- humans
- energy
- radiation
- genes
bees
You are presented with the quiz "What has a positive impact on an organism's health?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "having food has a positive impact on an organism 's health" and "food is chemical energy". So, what's the best answer to the question?
OPTIONS:
- chemical energy
- aerobic capacity
- predators
- exercise
- nutrients
- Proteins
- habitat destruction
- death

Answer: chemical energy
Question: You are presented with the quiz "What is secreted by plasma cells (activated B cells) ?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "plasma cells are activated B cells that secrete antibodies" and "antibodies are also called gammaglobulins". So, what's the best answer to the question?
OPTIONS:
- bacteria
- sunlight
- bioaerosols
- Organic compounds
- acetic acid
- gammaglobulins
- Chemical energy
- ice
Answer: gammaglobulins
input: OPTIONS:
- lack of rain
- deforestation
- precipitation
- Greenhouse gases
- climate
- h2o
- forests
- swamp vegetation Now, answer this question: You are presented with the quiz "what can change the color of an environment from green to brown?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "adrought can change the color of an environment from green to brown" and "lack of rain last winter has intensified Arizona's drought". So, what's the best answer to the question?
A:
output:
lack of rain