TASK DEFINITION: The input is a sentence with a missed word and an emotion. Your task is to fill in the blank with a word that matches the emotion and rewrite the completed sentence. The emotion is one of ['fear', 'joy', 'anger', 'sadness'].
PROBLEM: SENTENCE: My son found himself in a <blank> situation.
 EMOTION: sadness

SOLUTION: My son found himself in a serious situation.

PROBLEM: SENTENCE: Ellen told us all about the recent <blank> events.
 EMOTION: anger

SOLUTION: Ellen told us all about the recent irritating events.

PROBLEM: SENTENCE: The conversation with Kristin was <blank>.
 EMOTION: joy

SOLUTION:
The conversation with Kristin was funny.