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 young couple on vacation stand posing with their motorbikes in front of a town sign', Sentence2: 'young kitten nestled in blankets with curious face'. Is the frequency of the word 'in' in two sentences equal?
Example Output: Yes

Example Input: Sentence1: 'a crosscountry skier alone down a treelined path', Sentence2: 'a bus with many people gathering to board'. Is the frequency of the word 'crosscountry' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'a herd of zebras in the wild near grassy terrain', Sentence2: 'a large tractor truck with a painting on the back of the cab'. Is the frequency of the word 'a' in two sentences equal?
Example Output:
No