Teacher: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").
Teacher: Now, understand the problem? Solve this instance: Fact1: the mass of an object causes the gravitational force exerted by that object, Fact2: All gravitational forces are attractive, there is no repulsive gravitational force., Question: the mass of an object causes the what exerted by that object? (A) electromagnetic energy (B) Electrical energy (C) attractive force (D) heat energy (E) friction (F) solid, liquid, gas (G) energy of moving objects (H) kinetic energy
Student:
C