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").
One example is below.
Q: Fact1: a plant requires sunlight to grow, Fact2: Plants to avoid are fast-growing vines that can take over an area in no time., Question: What requires sunlight in order to take over an area? (A) spores (B) fish (C) plants (D) humans (E) pods (F) Oak (G) opossums (H) coral
A: C
Rationale: This is a good example. Based on the facts plants require sunlight in order to take over an area.
Q: Fact1: the number of rings in a tree trunk can be used to estimate the age of the tree, Fact2: Dendrochronologist: A person who studies tree ring growth., Question: dendrochronologists do what with regards to tree age? (A) lie about age (B) support (C) observe it (D) estimate age (E) begin age (F) focusing a lens (G) reinforce age (H) genetic diversity
A:
D