In this task, answer 'Yes' if the frequency of the given word in the two sentences is equal, else answer 'No'.

Example Input: Sentence1: 'several people preparing food in a large kitchen', Sentence2: 'a black and white photo of a person with a frisbee'. Is the frequency of the word 'a' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'a blue and yellow colored bird perches on a tree branch', Sentence2: 'people on a car driving past elephants and a hippo'. Is the frequency of the word 'and' in two sentences equal?
Example Output: Yes

Example Input: Sentence1: 'there is a female surfer that is riding a small wave', Sentence2: 'this is a beautiful picture of a mommy and baby zebra'. Is the frequency of the word 'of' in two sentences equal?
Example Output:
No