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: Grasses supply most of the food consumed by people worldwide., Fact2: Sugarcane, a grass, provides much of the world's sugar., Question: What is an example of a plant that supplies most of the food consumed by people worldwide? (A) Sugarcane (B) orchids (C) bushes (D) bioaerosols (E) cacti (F) trees (G) ferns (H) Chlorophyll
[EX A]: A

[EX Q]: Fact1: being burried under soil and mud changes peat into coal through extreme heat and pressure in a swamp over a long period of time, Fact2: Well, a swamp is a type of wetland., Question: where does being buried under soil and mud change peat into coal through extreme heat and pressure over a long period of time? (A) watershed (B) alluvial (C) wetland (D) deltas (E) erosion (F) houses (G) earth (H) lakes
[EX A]: C

[EX Q]: Fact1: Trees have woody stems covered with bark., Fact2: Bark on mature trees runs 6 to 12 inches thick, insulating the tree against fire damage., Question: What do trees have that insulates? (A) hats (B) looseness (C) dogs (D) woody stems (E) food and shelter (F) cells (G) storing water (H) In their leaves
[EX A]:
D