Definition: Given a sentence, generate a most likely context or previous statement. The previous statement should be relevant to the given statement.

Positive Example 1 -
Input: Then, the camel stops and the woman gets down from the camel.
Output: A woman rides a camel holding a rode with her right hand while a man pulls the camel.

Positive Example 2 -
Input: The camera is blurry as it focuses on the knitting.
Output: A lady close to the camera knits.

Negative Example 1 -
Input: She yanks off the sheet.
Output: She walks along the side to her office.

Negative Example 2 -
Input: He dashes off to work.
Output: He swims past a warehouse and up a hill.

Now complete the following example -
Input: On a monitor next to her, someone watches moving patches of light and dark take on a recognizable shape.

Output: A technician spreads gel across someone's distended belly with an ultrasound scan head.