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

Q: Sentence: 'two people under an umbrella while walking down a sidewalk'. Find frequency of the letter 'i'

A: 3
****
Q: Sentence: 'man in a radio studio wearing a suit in front of a microphone'. Find frequency of the letter 't'

A: 3
****
Q: Sentence: 'a man standing next to a parked motorcycle'. Find frequency of the letter 'o'

A:
3
****