input: OPTIONS:
- hypothyroidism
- killing insects
- kisses
- aggression
- love
- hyperthyroidism
- kinetic energy
- cohabitating Now, answer this question: You are presented with the quiz "What by predators cause porcupines to extend their quills?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "threatening behavior by predators causes a porcupine to extend its quills" and "aggression is active, harmful and offensive, threatens all and benefits none". So, what's the best answer to the question?
A:
output: aggression
You are presented with the quiz "Some types of bacteria in what can cause disease?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "pathogens can cause disease" and "pathogens : a few types of bacteria in food are responsible for causing illness and are referred to as pathogens". So, what's the best answer to the question?

OPTIONS:
- ingredients
- food
- skin
- viruses
- amoeba
- space
- Herpes
- mold

Answer: food
Problem: OPTIONS:
- Energy.
- cholesterol
- animals
- layers of fat
- fur and fat
- Chemical energy
- kinetic energy
- Energy
Q: You are presented with the quiz "Growth hormones are derived from phospholipds and:" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "steroid hormones are made of lipids, such as phospholipids and cholesterol" and "steroids are a kind of growth hormones". So, what's the best answer to the question?
Answer: cholesterol
Problem:OPTIONS:
- animals
- tortoises
- crocodiles
- sponges
- elephants
- placozoans
- mesozoans
- insects

You are presented with the quiz "What has a nervous system?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "most invertebrates have a nervous system" and "insects are the most common invertebrates". So, what's the best answer to the question?
****
A: insects
You are presented with the quiz "what dissipates energy?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "friction causes an object to lose energy" and "friction is a force that dissipates energy". So, what's the best answer to the question?
OPTIONS:
- aqueous solution
- chlorofluorocarbons
- carbon dioxide
- opposing force
- Evaporation
- hydrogen and oxygen
- sweating
- fossil fuels
opposing force
You are presented with the quiz "What mainly lives in shallow and coastal waters?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "marine species live mainly in shallow coastal waters" and "marine dolphins are endangered by fishing nets, speedboats, and pollution". So, what's the best answer to the question?
OPTIONS:
- animals
- horses
- Sea World
- parasites
- bacteria
- fur seals
- boats
- dolphins

Answer:
dolphins