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: crumple means change shape from smooth into compacted by physical force, Fact2: Crumple zones and bumpers are often weaker and poorer performing than in cars., Question: What part of a car easily changes shape from smooth to compacted by physical force? (A) rock (B) arteries (C) fender-bender (D) an object (E) bumper (F) wreck (G) Gravity (H) sedan
E