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

Q: Sentence: 'a closeup view of a bathroom sink, that is very modern'. Find frequency of the letter 'e'

A: 4
****
Q: Sentence: 'a notebook and pen are left on a park bench'. Find frequency of the letter 'e'

A: 5
****
Q: Sentence: 'a family out snow skiing on a blustery day'. Find frequency of the letter 'i'

A:
3
****