Problem:OPTIONS:
- Proteins
- food
- DNA
- nutrients
- energy
- Light
- bamboo
- sunlight

Fact 1: Living things all require energy for survival. Fact 2: Energy is used for survival and reproduction. Given the two facts above, what do all living things require in order to reproduce?
****
A: energy

Fact 1: Protein is used to repair cells by the human body. Fact 2: Meat, fish and chicken are rich sources of protein. Given the two facts above, meat, fish and chicken are used to do what by the human body?
OPTIONS:
- energy
- heat energy
- destroy cells
- Relieve pain
- damage cells
- survive
- repair cells
- break down cells
repair cells

Fact 1: Ejaculation occurs when muscle contractions propel sperm from the epididymes. Fact 2: Ejaculation is the expulsion of semen. Given the two facts above, the expulsion of semen occurs when what propels sperm from the epididymes?
OPTIONS:
- birth
- muscle contractions
- kinetic energy
- urine
- rapid expansion
- air
- heat produced
- matter vibrating

Answer: muscle contractions

Question: Fact 1: Thyroid hormones increase the rate of metabolism in cells throughout the body. Fact 2: Thyroid hormone is made by the thyroid gland. Given the two facts above, what increases metabolism in cells throughout the body?
OPTIONS:
- lymph nodes
- aerobic capacity
- puberty
- thyroid gland
- Smoking
- smoking cigarettes
- cells
- heat energy
Answer: thyroid gland

input with options: Fact 1: Soil is formed by rocks eroding. Fact 2: Examples of such rock include sandstone and shale . Given the two facts above, what forms soil?
OPTIONS:
- Earthworms
- single-celled organisms
- an external framework
- space travel
- most organisms
- sandstone eroding
- water freezing
- ice forming
output: sandstone eroding

Problem: OPTIONS:
- puddles
- energy
- light
- rainbows
- ponds
- an image
- a prism
- lakes
Q: Fact 1: Sunlight and rain can cause a rainbow. Fact 2: Rainbows are caused by internal reflection and refraction of sunlight or moonlight inside raindrops. Given the two facts above, what do sunlight reflections in raindrops make?
Answer:
rainbows