You are presented with the quiz "passive immunity lasts only as long as what survives in body fluids?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "passive immunity lasts only as long as the antibodies survive in body fluids" and "antibodies are also called gammaglobulins". So, what's the best answer to the question?

OPTIONS:
- Energy.
- gammaglobulins
- heat or cold
- bacteria
- Chemical energy
- parasites
- Leptospirosis
- Veins and arteries.

Answer: gammaglobulins
Problem: OPTIONS:
- apple
- trees
- salmon
- Spruce
- insects
- animals
- Cane.
- bees
Q: You are presented with the quiz "What has a life cycle that includes alterations of generations?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "all plants have a characteristic life cycle that includes alternation of generations" and "many of the plants are fruit trees". So, what's the best answer to the question?
Answer: trees
Problem:OPTIONS:
- change its material
- make it stay the same
- lowered energy cost
- duplicate itself
- Relieve pain
- change its shape
- change its color
- It gets heated up

You are presented with the quiz "What does sharpening a knife do?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "sharpening an object causes that object to change shape" and "very often their only metal object in the house is a cooking pot or a knife". So, what's the best answer to the question?
****
A: change its shape
You are presented with the quiz "using an what requires burning flammable liquid" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "using a gasoline engine requires burning gasoline" and "gasoline and flammable liquid related burns, however, are a preventable problem". So, what's the best answer to the question?
OPTIONS:
- light bulb
- engine
- toaster
- Decibels
- cigars
- barrel
- Cooking
- battery
engine
You are presented with the quiz "What do substances in the pituitary control?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "most pituitary hormones control other endocrine glands" and "hormone therapy Hormones are substances that occur naturally in the body". So, what's the best answer to the question?
OPTIONS:
- To keep their body heat.
- sweating
- endocrine glands
- temperature
- preventing heat transfer
- an organism's body
- movement
- Veins and arteries.

Answer: endocrine glands
input with options: You are presented with the quiz "what are heterotrophs?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "all animals are heterotrophs" and "all cats are animals". So, what's the best answer to the question?
OPTIONS:
- sheep
- small
- cats
- soil
- Birds
- koalas
- gravity
- h2o
output:
cats