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 coach watches on as a pitcher pitches', Sentence2: 'two men boogie boarding on a wave'. Is the frequency of the word 'pitcher' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'a group of people standing behind a line of parked motorcycles', Sentence2: 'cat on top of pole looking out a window'. Is the frequency of the word 'a' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'an elephants foot with what appears to be a sandal on', Sentence2: 'there is a snowboarder that has fallen in the snow'. Is the frequency of the word 'the' in two sentences equal?
Example Output:
No