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

Example Input: Sentence1: 'brown cow is looking toward the camera while the other two cow are eating grass', Sentence2: 'the polar bear is laying on the snow'. Is the frequency of the word 'polar' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'a persons hands scrolling and clicking on their laptop computer', Sentence2: 'a gray and white bird standing in the sand'. Is the frequency of the word 'a' in two sentences equal?
Example Output: Yes

Example Input: Sentence1: 'a plane is arriving onto an airport runway', Sentence2: 'a white tile bathroom with double sinks and two mirrors'. Is the frequency of the word 'sinks' in two sentences equal?
Example Output:
No