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'].

Example Input: SENTENCE: This man found himself in a <blank> situation.
 EMOTION: sadness
Example Output: This man found himself in a grim situation.

Example Input: SENTENCE: Terrence feels <blank>.
 EMOTION: sadness
Example Output: Terrence feels disappointed.

Example Input: SENTENCE: Darnell feels <blank>.
 EMOTION: joy
Example Output:
Darnell feels glad.