You will be given a definition of a task first, then some input of the task.
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").

Fact1: a ruler is used for measuring the length of an object, Fact2: Length Rope lengths are measured in meters., Question: What can a ruler measure the meters of? (A) an imaginary distance (B) a black hole (C) quarks (D) loose soil (E) animals (F) athletes (G) sea urchins (H) an object
Output:
H