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 opens up the safe in a small, dark room just off the office.

SOLUTION: They go inside the office.

PROBLEM: Two men are playing harmonica's.

SOLUTION: People are standing on a stage playing instruments.

PROBLEM: Then a very hot torch with flames are melting the gray substance and when it's done it looks flat and scratched up.

SOLUTION:
A small gray axe with a wooden handle is scraping at a gray substance on the wall.