TASK DEFINITION: Given a sentence, generate a most likely context or previous statement. The previous statement should be relevant to the given statement.
PROBLEM: The tinted window rolls up and someone sees someone.

SOLUTION: A backseat window rolls down revealing someone inside.

PROBLEM: Later, his board rests on a chair outside as he comes in.

SOLUTION: At an isolated nighttime beach, someone crouches over his surfboard and waxes it aggressively.

PROBLEM: Shifting to all fours on the grid, someone dips a hand into the ocean.

SOLUTION:
Someone takes in the dazzling array of ocean life glowing beneath his raft.