TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'a bunch of white hyacinths arranged in a vase'. How many words contain the letter 'r' in the sentence.

SOLUTION: 1

PROBLEM: Sentence: 'a bus station full of people walking on the side walk'. How many words contain the letter 'q' in the sentence.

SOLUTION: 0

PROBLEM: Sentence: 'a giraffe stands with its head above the grass'. How many words contain the letter 'f' in the sentence.

SOLUTION:
1