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 man with a surfboard walking across a bridge towards the ocean'. How many words contain the letter 'w' in the sentence.

SOLUTION: 3

PROBLEM: Sentence: 'a little boy showing a young girl how to balance herself on a skate board'. How many words contain the letter 'e' in the sentence.

SOLUTION:
4