TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'a white biplane on grassy area next to buildings'. How many words contain the letter 'g' in the sentence.

SOLUTION: 2

PROBLEM: Sentence: 'a young man wearing a red tie sitting next to a cat'. How many words contain the letter 'h' in the sentence.

SOLUTION: 0

PROBLEM: Sentence: 'an old advertisement for maxwell coffee with a family sitting around a table'. How many words contain the letter 'w' in the sentence.

SOLUTION:
2