TASK DEFINITION: Given a sentence, generate a most likely context or previous statement. The previous statement should be relevant to the given statement.
PROBLEM: Someone sweeps past to meet his entourage, leaving someone standing to one side at the entrance.

SOLUTION: Someone steps forward to greet them.

PROBLEM: He rolls his eyes as he leaves someone by himself.

SOLUTION: The boy grudgingly plops down on a stool and glowers up at someone.

PROBLEM: A girl in camouflage leaps, turns and lands back on the balancing beam.

SOLUTION:
Young gymnasts are at a gym practicing on balancing beams.