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 picture of some people out of snow', Sentence2: 'people approach and order at a red food truck'. Is the frequency of the word 'a' in two sentences equal?
Example Output: Yes

Example Input: Sentence1: 'a large truck with huge tires made for going through sand dunes', Sentence2: 'a bird sits on a computer keyboard at a desk'. Is the frequency of the word 'desk' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'a tall bird stands near the edge of a river', Sentence2: 'a terrier sits on a messy bed in front of the window'. Is the frequency of the word 'a' in two sentences equal?
Example Output:
Yes