In this task, answer 'Yes' if the frequency of the given word in the two sentences is equal, else answer 'No'.

Example Input: Sentence1: 'two mallards float and drink water in a shallow pool', Sentence2: 'a white street sign sitting on the side of a driveway'. Is the frequency of the word 'of' in two sentences equal?
Example Output: No

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: 'a person carrying a surfboard on a beach', Sentence2: 'the seat of the toilet is made out of a dark wood'. Is the frequency of the word 'a' in two sentences equal?
Example Output:
No