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

Ex Input:
Sentence1: 'a man is leaning over in the snow and casting a shadow', Sentence2: 'a boy performing a skateboard trick in midair'. Is the frequency of the word 'over' in two sentences equal?

Ex Output:
No

Ex Input:
Sentence1: 'a black and white photo of a bus', Sentence2: 'in an old black and white photo men are riding horses'. Is the frequency of the word 'and' in two sentences equal?

Ex Output:
Yes

Ex Input:
Sentence1: 'little children visit the krispy kreme factory with their mother', Sentence2: 'back view of a zebra walking through the grass'. Is the frequency of the word 'children' in two sentences equal?

Ex Output:
No