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

[EX Q]: Sentence: 'a large motorcycle that has a man dressed in old clothing next to it'. Find frequency of the letter 'a'
[EX A]: 6

[EX Q]: Sentence: 'man riding a skate board down the little board way'. Find frequency of the letter 'k'
[EX A]: 1

[EX Q]: Sentence: 'a kitty playing with a wii remote on the couch'. Find frequency of the letter 'o'
[EX A]:
3