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

Ex Input:
Sentence: 'a woman is holding an umbrella and walking across the street'. How many words contain the letter 't' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'a table with two different pizzas on it'. How many words contain the letter 'j' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'a tennis player hitting the ball over the net'. How many words contain the letter 'x' in the sentence.

Ex Output:

0