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

input: OPTIONS:
- neutrons
- protons
- isotopes
- electrons Now, answer this question: Q: Electronegativity is a qualitative measure of how much an atom attracts what in a covalent bond? A:
A:
output: electrons

input: OPTIONS:
- hydro plant
- turbine
- combustion aquifer
- groundwater aquifer Now, answer this question: Q: Pollutants in surface water can filter into the ground and enter a what? A:
A:
output:
groundwater aquifer