Fact 1: Mammals breathe with the help of a diaphragm. Fact 2: Breathing Stomach muscles press against the resistance of the diaphragm. Given the two facts above, what is pressed against when mammals breathe?

OPTIONS:
- objects that have mass
- the skin
- an organism's body
- an object
- layers of fat
- matter vibrating
- a cuticle
- stomach muscles

Answer: stomach muscles

Problem: OPTIONS:
- layers of fat
- a lot of human deaths
- Walls of blood vessels.
- harmful substances
- the rest of the body
- metabolic reaction
- direct damage to the lungs
- decreases its bodily water
Q: Fact 1: Constriction occurs when the muscular walls of blood vessels contract. Fact 2: Cocaine constricts the blood vessels. Given the two facts above, cocaine causes what to contract?
Answer: Walls of blood vessels.

Problem:OPTIONS:
- organisms and their habitat
- global warming
- Earth orbiting the Sun
- Solar energy
- scattered light
- Greenhouse gases
- Varying light output from sun
- Moon orbiting the Earth

Fact 1: The Earth revolving around the Sun causes the seasons to change on its axis. Fact 2: Gold, scarlet, and auburn leaves make a mosaic of rich colors heralding seasonal change. Given the two facts above, what factor is instrumental behind the change of leaf colors during the year?
****
A: Earth orbiting the Sun

Fact 1: Competition may lead to aggressive behaviors or displays of aggression. Fact 2: Aggression is the desire or intent to cause harm. Given the two facts above, what can cause harm?
OPTIONS:
- Sulfur dioxide
- burning coal
- Medical treatment
- treats
- Good feelings
- cigarettes
- competition
- emissions
competition

Fact 1: Biofuel is used to produce electricity by burning. Fact 2: Hemp biofuel provides the household's energy supply. Given the two facts above, what is used to produce electricity by burning?
OPTIONS:
- rocks
- Gas
- fish
- hemp
- sunlight
- coal
- oil
- Oak

Answer: hemp

input with options: Fact 1: Blowing air into a whistle causes air to vibrate inside the whistle. Fact 2: Sounds are caused by vibrations in the air. Given the two facts above, blowing what into a whistle causes sound?
OPTIONS:
- a lack of noise
- CFCs
- CO 2
- a lack of sound
- wind
- air
- gas
- no noise
output:
air