Q: You are presented with the quiz "When a doorbell rings, what part of the body vibrates?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "adoorbell converts electrical energy into sound" and "when the sound waves hit the eardrum in the middle ear, the eardrum starts to vibrate". So, what's the best answer to the question?

OPTIONS:
- organ
- legs
- nerves
- arm
- cells
- eye
- eardrum
- Limbs

A: eardrum
input: OPTIONS:
- epidermal
- segmented body
- leg pairs
- a cuticle
- a vertebral column
- diplosomites
- Chlorophyll
- biological diversity Now, answer this question: You are presented with the quiz "Millipedes lack what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "invertebrates are animals that lack a vertebral column, or backbone" and "millipedes, spiders and other invertebrates are probably taken as well". So, what's the best answer to the question?
A:
output: a vertebral column
You are presented with the quiz "By virtue of what can objects reflects light toward the eye?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "if an object reflects light toward the eye then that object can be seen" and "objects are seen by virtue of scattered light". So, what's the best answer to the question?

OPTIONS:
- sunlight
- scattered light
- bright light
- destroyed light
- sensory neurons
- Electrical energy
- flow of electrons
- speckled light

Answer: scattered light
Problem: OPTIONS:
- motion
- rapid expansion
- kinetic
- sympathetic
- mechanical
- movement
- animal transport
- matter vibrating
Q: You are presented with the quiz "what type of function occurs when muscle contractions propel sperm from the epididymes?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "ejaculation occurs when muscle contractions propel sperm from the epididymes" and "again, ejaculation is a sympathetic function". So, what's the best answer to the question?
Answer: sympathetic
Problem:OPTIONS:
- cold
- soil
- forces
- mold
- sun
- loss
- mildew
- rain

You are presented with the quiz "plants grow healthier if they are protected from what" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "agreenhouse is used to protect plants from the cold" and "greenhouse plants grow healthier". So, what's the best answer to the question?
****
A: cold
Problem:OPTIONS:
- when they become adults
- It helps them survive
- produce offspring
- By wind and rain
- during the day
- members of their own species
- an area swollen with pus
- Something coming from a gland

You are presented with the quiz "When do platyhelminthes reproductive organs develop?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "adult worms go through a major transformation to develop reproductive organs" and "marine flatworms belong to a major group of worms called the Platyhelminthes". So, what's the best answer to the question?
****
A:
when they become adults