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 that is doing a trick in the air', Sentence2: 'a young man holding a kite string while two other people help the kite get airborne'. Is the frequency of the word 'the' in two sentences equal?
Example Output: Yes

Example Input: Sentence1: 'a man is swinging a tennis racket in the air', Sentence2: 'an elephants foot with what appears to be a sandal on'. Is the frequency of the word 'be' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'three giraffes including a baby giraffe step through the brown grass', Sentence2: 'a church with some tents with items for sale in front of it'. Is the frequency of the word 'a' in two sentences equal?
Example Output:
Yes