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: Nancy feels <blank>.
 EMOTION: fear
Example Output: Nancy feels discouraged.

Example Input: SENTENCE: My sister found herself in a <blank> situation.
 EMOTION: sadness
Example Output: My sister found herself in a heartbreaking situation.

Example Input: SENTENCE: This girl told us all about the recent <blank> events.
 EMOTION: sadness
Example Output:
This girl told us all about the recent serious events.