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 tape measure is used to measure length, Fact2: With a tape measure, find the dimensions of the room., Question: measure the what of the room to find dimensions (A) coordinates (B) length (C) density (D) size (E) matetials (F) two (G) feet (H) design
Output:
B