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 lays the guitar off his lap.

SOLUTION: In a guy's room, someone learns to play guitar.

PROBLEM: Several still images of the boy and the man, sometimes with other people, are shown in front of he sand castle at various stages of completion.

SOLUTION: A woman walks from right to left in the background.

PROBLEM: The young man builds a ring of rocks near a tent.

SOLUTION:
A match is lit and a young man holds up another lit match along with sticks then blows it out.