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 person holding a cell phone in their hand'. How many words start with the letter 'h' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'a living area with a couch coffee table and bookshelf'. How many words start with the letter 'l' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'cats sleeping curled up on wooden park benches'. How many words start with the letter 'c' in the sentence.


Output: 2