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 double decker bus parked with its door open', Sentence2: 'three yellow flowers in clear vases on a table'. Is the frequency of the word 'double' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'some little elephants standing around a few trees', Sentence2: 'a snowboarder is upside down in the air on a wooded snowy slope'. Is the frequency of the word 'a' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'a woman is opening up a wine bottle that is sitting on a table', Sentence2: 'a man holding a tennis racquet standing on a tennis court'. Is the frequency of the word 'up' in two sentences equal?
Example Output:
No