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 stop sign sits in front of a building', Sentence2: 'two people dressed in costume advertising while two others ride a horse'. Is the frequency of the word 'a' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'two black cats sitting on top of a white desk', Sentence2: 'a computer screen and keyboard on a desk'. Is the frequency of the word 'cats' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'a baseball player leads back to make a fast pitch', Sentence2: 'a long train moving through a wooded area'. Is the frequency of the word 'area' in two sentences equal?
Example Output:
No