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 child with a hat that is standing in the grass', Sentence2: 'there is a green vase with lots of flowers'. Is the frequency of the word 'lots' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'two people climb up a snowy mountain on skis', Sentence2: 'people placed in a picture with bears having a picnic'. Is the frequency of the word 'two' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'a large clock mounted in the face of a building', Sentence2: 'a man stands in front of some railroad tracks'. Is the frequency of the word 'of' in two sentences equal?
Example Output:
Yes