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 train going through town via railroad', Sentence2: 'a parent is pulling their child down the ski slope'. Is the frequency of the word 'a' in two sentences equal?
Example Output: Yes

Example Input: Sentence1: 'a yellow train is on the railroad tracks', Sentence2: 'a policy officer talking to a fellow officer next to a busy city street'. Is the frequency of the word 'tracks' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'the toilet is in a separate area away from the sink', Sentence2: 'a kitten eating food out of a dish on the kitchen floor'. Is the frequency of the word 'of' in two sentences equal?
Example Output:
No