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

Q: Sentence: 'a dog laying on the back of a boat in the water'. Find frequency of the letter 't'

A: 4
****
Q: Sentence: 'wooden and black bench on the side of the road'. Find frequency of the letter 'a'

A: 3
****
Q: Sentence: 'over cast sky looming over a large building'. Find frequency of the letter 't'

A:
1
****