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

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

A: 4
****
Q: Sentence: 'two baseball players high five each other during a game'. Find frequency of the letter 'y'

A: 1
****
Q: Sentence: 'the toilet is in a room with exposed pipes'. Find frequency of the letter 'i'

A:
5
****