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

[EX Q]: Sentence: 'supplies and tools are arranged on the floor with a hard hat and bag'. Find frequency of the letter 'n'
[EX A]: 4

[EX Q]: Sentence: 'a bathroom that has it's lights turned on'. Find frequency of the letter 'h'
[EX A]: 4

[EX Q]: Sentence: 'vintage black and white photograph of a long dinner table full of adults and children'. Find frequency of the letter 'b'
[EX A]:
2