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

Example Input: Sentence1: 'batter at baseball game concentrating and getting ready to swing', Sentence2: 'a large fluffy cat sitting inside of a desk drawer'. Is the frequency of the word 'at' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'a person cutting radishes on a green cutting board in a kitchen', Sentence2: 'a group of young boys standing behind two microphones'. Is the frequency of the word 'behind' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'a couple of yellow school buses parked next to each other', Sentence2: 'individuals taking picture and posturing before a polaroid'. Is the frequency of the word 'a' in two sentences equal?
Example Output:
Yes