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

Q: Sentence: 'a couple of buses parked on the side of the street'. Find frequency of the letter 'b'

A: 1
****
Q: Sentence: 'a baby elephant walks beside an adult elephant along a post and cable'. Find frequency of the letter 'l'

A: 6
****
Q: Sentence: 'a giraffe is standing near its fenced area observing'. Find frequency of the letter 's'

A:
4
****