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

Q: Sentence: 'a scene at night; a plane alone on a runway with lit-up city buildings on the horizon'. Find frequency of the letter 'w'

A: 2
****
Q: Sentence: 'a man in a black shirt prepares to catch a frisbee'. Find frequency of the letter 'f'

A: 1
****
Q: Sentence: 'a large group of people sitting at some tables'. Find frequency of the letter 'm'

A:
1
****