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 holding a cell phone in their hand', Sentence2: 'a man flying through the air while riding a skateboard'. Is the frequency of the word 'a' in two sentences equal?
Example Output: Yes

Example Input: Sentence1: 'models wear dresses and hold umbrellas as they walk', Sentence2: 'an elephant wearing a red sheet in front of a building'. Is the frequency of the word 'in' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'a display at a grocery store filled with lots of different fruits', Sentence2: 'a green slope is full of canoes up on the grass'. Is the frequency of the word 'up' in two sentences equal?
Example Output:
No