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 man is walking down a main street', Sentence2: 'a bunch of people walking in a parade of some sort'. Is the frequency of the word 'walking' in two sentences equal?
Example Output: Yes

Example Input: Sentence1: 'a snowboarder is upside down in the air on a wooded snowy slope', Sentence2: 'a person in the air on a snowboard doing a jumping trick and clouds covering the sun in the sky'. Is the frequency of the word 'in' in two sentences equal?
Example Output:
No