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 boy holding his skateboard behind his head resting on his shoulders', Sentence2: 'a game of tennis is being played on a court as an audience looks on'. Is the frequency of the word 'a' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'a man in white shirt and black shorts playing tennis', Sentence2: 'a young man welkin a bike down a street next to tall buildings'. Is the frequency of the word 'a' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'a man sitting in front of a pizza on top of a white paper', Sentence2: 'models wear dresses and hold umbrellas as they walk'. Is the frequency of the word 'in' in two sentences equal?
Example Output:
No