TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'a batter sings his bat at a baseball game'. How many words contain the letter 'h' in the sentence.

SOLUTION: 1

PROBLEM: Sentence: 'people holding a surfboard and walking down the beach'. How many words contain the letter 'n' in the sentence.

SOLUTION: 4

PROBLEM: Sentence: 'a person is sitting at a wooden table eating a pastry'. How many words contain the letter 'p' in the sentence.

SOLUTION:
2