TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'he wants everyone to know that he has serious intentions for the tennis game'. How many words contain the letter 'h' in the sentence.

SOLUTION: 5

PROBLEM: Sentence: 'a bird is standing on the edge of a book'. How many words contain the letter 'o' in the sentence.

SOLUTION: 3

PROBLEM: Sentence: 'a man jumping a ramp on a skateboard in a skate park'. How many words contain the letter 's' in the sentence.

SOLUTION:
2