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 couple of men riding on the backs of horses', Sentence2: 'a chair and a couch in a room'. Is the frequency of the word 'backs' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'a bunch of apples are laying on a stonelike surface', Sentence2: 'a herd of sheep standing on top of a lush green field'. Is the frequency of the word 'of' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'a group of people standing behind a line of parked motorcycles', Sentence2: 'a white plate of hamburgers and french fries'. Is the frequency of the word 'standing' in two sentences equal?
Example Output:
No