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 person mixes various ingredients to the water and ends by pouring various ingredients into a bowl.

SOLUTION: Various ingredients are laid out on a table and leads into a person pouring the ingredients into a bowl.

PROBLEM: They sit as far apart as possible, a huge bunch of flowers between them.

SOLUTION: She sways unsteadily, clutching her head.

PROBLEM: Someone climbs down into the tank and taps someone on the shoulder, startling him.

SOLUTION:
Someone has been left alone in the tank.