input: OPTIONS:
- nucleus
- organs
- platelets
- blood plasma Now, answer this question: Q: The complement system is a series of proteins constitutively found in the what? A:
A:
output: blood plasma

input: OPTIONS:
- acids
- oxygen
- enzymes
- hydrogen gas Now, answer this question: Q: What can alkenes and alkynes be reduced with to form alkanes? A:
A:
output: hydrogen gas

input: OPTIONS:
- stems
- cells
- flowers
- seeds Now, answer this question: Q: Gymnosperms have evolved to include what? A:
A:
output:
seeds