instruction:
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").
question:
Fact1: Wings are part of the exoskeleton and attached to the thorax., Fact2: Insects have exoskeletons., Question: What is attached to insects' thorax? (A) sugar (B) Energy. (C) antennae (D) Energy (E) wings (F) nothing (G) food (H) pancreas
answer:
E


question:
Fact1: Bivalves feed on plankton and nonliving organic matter., Fact2: Mussels are bivalve mollusks., Question: What feeds on plankton and nonliving organic matter? (A) barnacles (B) mollusks (C) animals (D) the Sun (E) sharks (F) graptolites (G) bacteria (H) dogs
answer:
B


question:
Fact1: crumple means change shape from smooth into compacted by physical force, Fact2: Density increases with depth due to compaction and progressive cementation., Question: Crumple means_  increases by physical force. (A) threatened (B) mass (C) an object (D) density (E) movement (F) weight (G) volume (H) It expands
answer:

D