In this task, you need to count the number of words in a sentence that contain the given letter

Sentence: 'a man srufing the waves on a board in front of 3 tall pillars'. How many words contain the letter 'n' in the sentence.
5

Sentence: 'a batter sings his bat at a baseball game'. How many words contain the letter 'h' in the sentence.
1

Sentence: 'blue commuter bus sharing roadway with motorcyclists in urban area'. How many words contain the letter 'e' in the sentence.

3