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 man sitting on a sofa with a laptop', Sentence2: 'a half eaten red velvet cupcake on a cardboard box'. Is the frequency of the word 'sofa' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'a boy and a girl playing with frisbee in the lawn', Sentence2: 'a snowboarder making a jump of a snowy ledge'. Is the frequency of the word 'frisbee' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'woman waiting at end of curb for train to open its doors', Sentence2: 'a man on a green field wears a bandana'. Is the frequency of the word 'at' in two sentences equal?
Example Output:
No