Detailed Instructions: 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").
Q: Fact1: if a planet becomes too hot then that planet cannot sustain life, Fact2: Venus is thought to be hot because of the runaway greenhouse effect., Question: The runaway greenhouse effect present on Venus makes what unlikely? (A) carbon in the atmosphere (B) bloom time (C) Animal survival (D) robotic landers (E) sustainable life (F) Plant reproduction (G) population movement (H) sunlight at the surface
A:
E