In this task, you are given two facts, and a multiple-choice question. Based on the given facts, answer the question with index of the correct option (e.g, "A").

[EX Q]: Fact1: high pressure systems cause clear weather, Fact2: Weather Clear weather usually means good visibility., Question: what does a high pressure system cause? (A) hyperthyroidism (B) lowered energy cost (C) harmful substances (D) Heart rate (E) good visibility (F) It gets heated up (G) Pollution (H) rainfall
[EX A]: E

[EX Q]: Fact1: a plant requires sunlight for photosynthesis, Fact2: Photosynthesis is the process of making food., Question: What do plants require to make food? (A) nutrients (B) sunlight (C) photons (D) Energy. (E) Light (F) Proteins (G) power (H) heat energy
[EX A]: B

[EX Q]: Fact1: Algae have varied life cycles., Fact2: Most common life cycle in the green algae is the haploid type., Question: What are most algae? (A) body water (B) homogenous (C) fungi (D) bacteria (E) haploid (F) epidermal (G) fertile (H) ferns
[EX A]:
E