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 striped cat standing on a window seal', Sentence2: 'the chocolate cake has strawberries on the top'. Is the frequency of the word 'a' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'a potluck buffet set up on a long table', Sentence2: 'a guy with a backpack and umbrella walking down the road'. Is the frequency of the word 'a' in two sentences equal?
Example Output: Yes

Example Input: Sentence1: 'three oranges and a banana in the shape of a smile', Sentence2: 'a photo of a crowd of people getting ready to ski'. Is the frequency of the word 'and' in two sentences equal?
Example Output:
No