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 brown teddy bear is sitting on plaid sheets'. How many words start with the letter 'p' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a couple of giraffes that are walking around'. How many words start with the letter 'c' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'man in a wetsuit taking his surfboard into the sea'. How many words start with the letter 'h' in the sentence.


Output: 1