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

[EX Q]: Sentence: 'a tennis player holds a ball as if to throw it in the air to serve it'. How many words contain the letter 'o' in the sentence.
[EX A]: 4

[EX Q]: Sentence: 'a parked blue and white motorcycle with a black seat'. How many words contain the letter 'd' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'man skiing down slope dressed in dark blue with yellow hat'. How many words contain the letter 'h' in the sentence.
[EX A]:
2