In this task, you need to count the number of times the given letter appears in the given sentence.

Q: Sentence: 'four men standing around two pizzas in a conference room'. Find frequency of the letter 't'

A: 2
****
Q: Sentence: 'different sets of luggage in a baggage claim area'. Find frequency of the letter 'r'

A: 2
****
Q: Sentence: 'derelict billboard in a rural field next to pine forest'. Find frequency of the letter 'b'

A:
2
****