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

Input: Consider Input: Sentence: 'someone is holding an orange and black iphone'. How many words contain the letter 'h' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'a horse and a donkey stand in a fenced field'. How many words contain the letter 'd' in the sentence.

Output: 5


Input: Consider Input: Sentence: 'a group of planes are putting on an airshow and there is a large plane nearby'. How many words contain the letter 'l' in the sentence.


Output: 3