Task: Text Completion
Input (English): A person sits in an inter tube at the top of a hill then rides down the slope laughing. The family straps together the inter tubes in a circular grouping with the kids sitting in them. the family <sep> (A) then rides together floating through a tunnel and getting stuck on the tubes but eventually out themselves. (B) squeezes through the tubes in the tunnel and then continue riding down the hill. (C) rides in a large grouping of inter tubes down a snowy slope. (D) concentrates on tight intertubes and the bridge above their heads.
Output (English): C