In this task, you need to count the number of words in a sentence that contain the given letter

[EX Q]: Sentence: 'watchful raptor standing on one foot on a rock pile'. How many words contain the letter 'r' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'two animals are walking along in a field'. How many words contain the letter 'y' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'a dining room bathed in red light with a floral arrangement'. How many words contain the letter 'z' in the sentence.
[EX A]:
0