In this task, answer 'Yes' if the frequency of the given word in the two sentences is equal, else answer 'No'.

Example Input: Sentence1: 'a large clock mounted in the face of a building', Sentence2: 'a boy and a girl playing with frisbee in the lawn'. Is the frequency of the word 'a' in two sentences equal?
Example Output: Yes

Example Input: Sentence1: 'a woman stands on the grass with a frisbee as her dog patiently waits', Sentence2: 'a large bag filled with clothes and shoes'. Is the frequency of the word 'waits' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'three girls are paddling on their surfboards together', Sentence2: 'a woman in blue jacket skiing on slope with trees in background'. Is the frequency of the word 'girls' in two sentences equal?
Example Output:
No