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

Sentence: 'a large motorcycle that has a man dressed in old clothing next to it'. Find frequency of the letter 'a'
6

Sentence: 'a teenager witting on a futon couch holding gaming controls in both hands'. Find frequency of the letter 'c'
3

Sentence: 'a waiter talking to kitchen staff at a restaurant'. Find frequency of the letter 'i'

3