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 group of people riding kite boards on top of the ocean', Sentence2: 'pedestrians walk in the street passed a stop sign'. Is the frequency of the word 'in' 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 'a' in two sentences equal?
Example Output: No

Example Input: Sentence1: 'a group of people in the street carrying umbrellas', Sentence2: 'wooden frames for umbrellas on posts in the dirt'. Is the frequency of the word 'umbrellas' in two sentences equal?
Example Output:
Yes