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 snowboarder is upside down in the air on a wooded snowy slope', Sentence2: 'a group of people walking down a street'. Is the frequency of the word 'is' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'three oranges and a banana in the shape of a smile', Sentence2: 'two rooms of a house are left in disarray on moving day'. Is the frequency of the word 'on' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'a white street sign sitting on the side of a driveway', Sentence2: 'a giraffe lies down in a caged area while two small animals sit on his head'. Is the frequency of the word 'sign' in two sentences equal?
Example Output:
No