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

Q: Sentence: 'a man in a suit makes the first slice into a cake'. Find frequency of the letter 't'

A: 4
****
Q: Sentence: 'person wearing all white leaned up against a wall with a yellow sign'. Find frequency of the letter 'a'

A: 8
****
Q: Sentence: 'a bowl sitting on a counter with ingredients for cooking in it and laying around it'. Find frequency of the letter 'o'

A:
7
****