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

Input: Consider Input: Sentence: 'the two people are in wetsuits in the ocean while one rides a wave'. How many words contain the letter 'd' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a glass vase with clear glass marbles in it and purple flowers coming out of the vase'. How many words contain the letter 'd' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a bird with an orange beak and black head by the water'. How many words contain the letter 'j' in the sentence.


Output: 0