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

Q: Sentence: 'a woman cross country skiing in a competition'. Find frequency of the letter 's'

A: 3
****
Q: Sentence: 'a knife a cutting board some bananas and a toaster'. Find frequency of the letter 'i'

A: 2
****
Q: Sentence: 'two animals sit on top of blanket by a tv'. Find frequency of the letter 't'

A:
5
****