In this task, you need to count the number of words in a sentence that start with the given letter. Answer with numbers and not words.

Input: Consider Input: Sentence: 'a man sitting at a cafeteria table with his laptop and looking at his cell phone'. How many words start with the letter 'h' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'a close up of a dog standing on a rug'. How many words start with the letter 'o' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'a small decorative plate with a piece of cake and a fork'. How many words start with the letter 'p' in the sentence.


Output: 2