Fact 1: Earth 's tilt on its rotating axis causes seasons to change. Fact 2: Seasons are divided into fall, winter and spring. Given the two facts above, what does earth's tilt rotating on its axis cause to change?

OPTIONS:
- organisms and their habitat
- fall, winter, and spring
- distance to the moon
- the environment
- distance to the sun
- a tree falling
- degrees celcius
- composition of h2o

Answer: fall, winter, and spring

Problem: OPTIONS:
- edema
- Toxins
- H 2 O
- bind
- work
- fusion
- HIV
- damage
Q: Fact 1: Antibodies are large, Y-shaped proteins that recognize and bind to antigens. Fact 2: Some of the antibodies, antophospholipid antibodies, cause blood clots. Given the two facts above, some proteins do what to antigens to cause blood clots?
Answer: bind

Problem:OPTIONS:
- sperm
- humans
- ferns
- nematodes
- viruses
- Most plants
- bacteria
- insects

Fact 1: Roundworms reproduce sexually. Fact 2: Nematodes are simple roundworms. Given the two facts above, what reproduces sexually?
****
A: nematodes

Fact 1: The vanes rotating in an electric fan causes air to move. Fact 2: Air speed is an important contributor to cooling of skin temperature. Given the two facts above, what do electric fans cool?
OPTIONS:
- energy
- kinetic energy
- Human skin
- sensory neurons
- an object
- deuterostomes
- heat energy
- the skin
Human skin

Fact 1: Polyps usually reproduce asexually. Fact 2: Asexual reproduction occurs in several different ways. Given the two facts above, polyps usually reproduce how?
OPTIONS:
- several different ways
- sharing seeds
- during the day
- sharing sperm
- spread flower seeds
- photosynthesis
- Absorb light
- sexually

Answer: several different ways

input with options: Fact 1: Alight bulb is used for seeing in the dark. Fact 2: After stumbling around in the dark tunnels of the basement, Marco finds the control room. Given the two facts above, what are used to avoid stumbling around in basements?
OPTIONS:
- heat energy
- eyes
- electricity
- Solutions
- canes
- arms
- layers of fat
- light bulbs
output:
light bulbs