In this task, answer 'Yes' if the frequency of the given word in the two sentences is equal, else answer 'No'.

Example Input: Sentence1: 'there is a air plane that is flying high in the sky', Sentence2: 'a young boy sitting at a window side table eating a donut'. Is the frequency of the word 'donut' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'several people walking around horses in a wooded area', Sentence2: 'a corner of a building shows graffiti wear'. Is the frequency of the word 'several' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'a person holds a head of broccoli up', Sentence2: 'people approach and order at a red food truck'. Is the frequency of the word 'a' in two sentences equal?
Example Output:
No