input with options: Fact 1: Cross-pollination increases genetic diversity. Fact 2: Evolution requires genetic diversity. Given the two facts above, what does evolution require?
OPTIONS:
- Time and energy
- Plant reproduction
- cross-pollination
- Reproduction
- gene flow
- coded genes
- circulatory systems
- animals with backbones
output: cross-pollination

input with options: Fact 1: Viruses are not cells at all, so they are neither prokaryotes nor eukaryotes. Fact 2: Influenza viruses are classified as orthomyxoviruses. Given the two facts above, which is not a cell?
OPTIONS:
- cigarettes
- Chlorophyll
- Leptospirosis
- layers of fat
- an object
- anemia
- all matter
- influenza
output: influenza

input with options: Fact 1: Cells cannot survive without oxygen. Fact 2: Survival is to live, to live means hope. Given the two facts above, cells cannot live without what commonly occuring element found on Earth?
OPTIONS:
- Air
- matter
- Light
- fossil fuel
- oxygen
- carbon
- sunlight
- water
output: oxygen

input with options: Fact 1: All chemical reactions require activation energy to get started. Fact 2: Activation energy is required to overcome the energy barrier. Given the two facts above, what must a chemical reaction overcome before starting?
OPTIONS:
- PV=nRT
- heat or cold
- reactants
- energy barrier
- Dehydration
- harmful substances
- resistance
- temperature
output:
energy barrier