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

Q: Sentence: 'a bird is perched on a container in a person's hand'. Find frequency of the letter 'c'

A: 2
****
Q: Sentence: 'men standing in the grass with a frisbee'. Find frequency of the letter 'a'

A: 3
****
Q: Sentence: 'a group of people that are standing in the street'. Find frequency of the letter 'l'

A:
1
****