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 double decker bus parked with its door open', Sentence2: 'a young man poses for a camera while wearing a tie but no shirt'. Is the frequency of the word 'man' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'colorful glass vases sitting on a window sill', Sentence2: 'people playing a game in a wood gated field'. Is the frequency of the word 'a' in two sentences equal?
Example Output:
No