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 dog is seated in a dog bed on a wood floor with a rug nearby', Sentence2: 'a ski boarder is airborne on a snow covered slope'. Is the frequency of the word 'a' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'two men are singing in different colored striped costumes', Sentence2: 'a couple of men standing next to each other on a tennis court'. Is the frequency of the word 'men' in two sentences equal?
Example Output: Yes

Example Input: Sentence1: 'a man in a lobby on a laptop computer', Sentence2: 'there is a traffic caution sign on the side of the street'. Is the frequency of the word 'sign' in two sentences equal?
Example Output:
No