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: pushing on the pedals of a bike cause that bike to move, Fact2: Schwinn bikes have carried many TWW'ers to the podium time and time again., Question: what moves by having the pedals pushed on? (A) organ (B) h2o (C) Schwinn (D) Nematoda (E) animals (F) athletes (G) clouds (H) kites
C

Fact1: rain causes erosion, Fact2: Erosion of dunes leads to erosion of the beach and of the Island., Question: What can destroy dunes? (A) wind (B) fire (C) turtles (D) storms (E) clams (F) heat (G) rain (H) grain
G

Fact1: a mutation in the sex cells of a parent can cause a new trait to appear in the parent 's offspring, Fact2: Mutations are accidental alterations of the genetic code in a cell., Question: What can appear due to accidental alterations of the genetic code in a cell? (A) symptoms (B) hyperthyroidism (C) Plastic cell membranes (D) Metallic DNA (E) Groupings of nano-cells (F) New traits (G) disease (H) viruses

F