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

[EX Q]: Sentence: 'a baby elephant walks beside an adult elephant along a post and cable'. Find frequency of the letter 'l'
[EX A]: 6

[EX Q]: Sentence: 'a man pushing a cart full of bananas'. Find frequency of the letter 'u'
[EX A]: 2

[EX Q]: Sentence: 'a man in a suit with his arms crossed looks out  over a rail'. Find frequency of the letter 'i'
[EX A]:
5