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

Ex Input:
Sentence: 'a giraffe walking in the grass near a building'. How many words contain the letter 'd' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a man walking with rolling luggage and many bags'. How many words contain the letter 'g' in the sentence.

Ex Output:
4


Ex Input:
Sentence: 'a tennis player jumps up above the ground'. How many words contain the letter 'j' in the sentence.

Ex Output:

1