Definition: Given a sentence, generate what should be the most likely next statement. The next statement should be reasonable and logically correct.

Positive Example 1 -
Input: We notice a man in a kayak and a yellow helmet coming in from the left. As he approaches, his kayak
Output: flips upside - down

Positive Example 2 -
Input: On stage, a woman takes a seat at the piano. She
Output: nervously sets her fingers on the keys.

Negative Example 1 -
Input: He is throwing darts at a wall. A woman
Output: collapses and falls to the floor.

Negative Example 2 -
Input: On stage, a woman takes a seat at the piano. She
Output: is in the crowd, watching the dancers.

Now complete the following example -
Input: Some swimmers on the side lines are watching them. They
Output: 

 hit the ball back and forth.