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 man holding a tennis racquet standing on a tennis court', Sentence2: 'two calves and three cows grazing in the tall grass'. Is the frequency of the word 'tall' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'a snowboarder is upside down in the air on a wooded snowy slope', Sentence2: 'a group of people walking down a street'. Is the frequency of the word 'is' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'people placed in a picture with bears having a picnic', Sentence2: 'a living area with people sitting on couch next to bookshelf'. Is the frequency of the word 'a' in two sentences equal?
Example Output:
No