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 woman sitting on a bed talking on the phone', Sentence2: 'a tall bird is standing by an oven'. Is the frequency of the word 'an' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'a persons hands scrolling and clicking on their laptop computer', Sentence2: 'a gray and white bird standing in the sand'. Is the frequency of the word 'a' in two sentences equal?
Example Output: Yes

Example Input: Sentence1: 'pedestrians walk in the street passed a stop sign', Sentence2: 'a guy on the street with a skateboard'. Is the frequency of the word 'a' in two sentences equal?
Example Output:
No