TASK DEFINITION: Given a sentence, generate a most likely context or previous statement. The previous statement should be relevant to the given statement.
PROBLEM: Glancing in both directions, someone hops down to the tracks.

SOLUTION: Someone glances down the platform then creeps toward the edge.

PROBLEM: One of them flips the other on to his shoulders.

SOLUTION: They grab each other and jump.

PROBLEM: The tops it off with a lemon and slides the drink closer and still speaking.

SOLUTION:
The woman holds a glass and mixes various liquids into the glass.