input: OPTIONS:
- an exoskeleton
- legs
- Bodily water
- Damaged hearing
- kinetic energy
- a backbone
- Energy
- backs Now, answer this question: Fact 1: Arthropods are the largest phylum of invertebrates. Fact 2: Invertebrates are animals without a backbone. Given the two facts above, what don't arthropods have?
A:
output: a backbone

input: OPTIONS:
- passing gas
- population movement
- blood type
- important habitats
- animals with backbones
- ability to live
- body odor
- athletes Now, answer this question: Fact 1: Better senses have a positive impact on an animal 's survival. Fact 2: Living and surviving are the thing. Given the two facts above, what do better senses have an impact on?
A:
output: ability to live

input: OPTIONS:
- Spring
- cold
- Summer
- Autumn
- started
- Winter
- closed
- mild Now, answer this question: Fact 1: When a hemisphere is tilted towards the sun , that hemisphere receives more direct sunlight. Fact 2: When the Earth's northern hemisphere is tilted towards the Sun, it is summer. Given the two facts above, what season is it when the hemisphere is aimed at the sun?
A:
output:
Summer