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 big tower that has a clock on top', Sentence2: 'a boy holding his skateboard behind his head resting on his shoulders'. Is the frequency of the word 'top' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'old tower with two visible large clocks on the sides', Sentence2: 'a red fire hydrant with writing on it near a curb'. Is the frequency of the word 'on' in two sentences equal?
Example Output: Yes

Example Input: Sentence1: 'a man sitting on top of a train traveling through a forest hillside', Sentence2: 'a person in a black jacket jumping with skis on'. Is the frequency of the word 'a' in two sentences equal?
Example Output:
No