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 sitting on a bench looking at a field and skyline', Sentence2: 'a woman sitting on a couch holding a smart phone'. Is the frequency of the word 'a' in two sentences equal?
Example Output: Yes

Example Input: Sentence1: 'a beautiful young woman wearing goggles and yellow gloves', Sentence2: 'a large green street sign sitting next to a speed limit sign'. Is the frequency of the word 'a' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'a close up of a street sign with leaves and a sky background', Sentence2: 'young school boys smiling and posing on a stone wall'. Is the frequency of the word 'young' in two sentences equal?
Example Output:
No