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

Sentence1: 'a man holding a tennis ball and a racquet', Sentence2: 'a man riding down the side of a skateboard ramp'. Is the frequency of the word 'riding' in two sentences equal?
No

Sentence1: 'a group of young boys standing behind two microphones', Sentence2: 'a group of people and cow outside of a hut'. Is the frequency of the word 'a' in two sentences equal?
No

Sentence1: 'a white sink and toilet in a small bathroom', Sentence2: 'an elephant walking on a dirt road in the wilderness'. Is the frequency of the word 'on' in two sentences equal?
No