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 person holding a cell phone in their hand', Sentence2: 'a man flying through the air while riding a skateboard'. Is the frequency of the word 'a' in two sentences equal?
Example Output: Yes

Example Input: Sentence1: 'a person holding a mini skate board wearing safety gear', Sentence2: 'a man flying through the air on a  skateboard'. Is the frequency of the word 'a' in two sentences equal?
Example Output: Yes

Example Input: Sentence1: 'there is a man who is riding on his skateboard', Sentence2: 'a bird with a fuzzy top knot sitting on a branch'. Is the frequency of the word 'a' in two sentences equal?
Example Output:
No