input: OPTIONS:
- marrow cells
- white blood cells
- lymph cells
- red blood cells Now, answer this question: Q: What cells carry oxygen? A:
A:
output: red blood cells

input: OPTIONS:
- gases and animals
- plants and water
- soil and animals
- plants and animals Now, answer this question: Q: Fossil fuels are made out of what two objects? A:
A:
output: plants and animals

input: OPTIONS:
- Tests
- suggests
- theories
- hypothesis Now, answer this question: Q: Scientists ask questions, and then make detailed observations to try to ask more specific questions, in order to develop what? A:
A:
output:
hypothesis