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 woman is holding some cupcakes with candles and a kitchen and a baby in a chair'. How many words start with the letter 'k' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a room filled with a stove and surrounded by cabinets'. How many words start with the letter 'w' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'an  orange parasol at the beach unopened by a lounge chair'. How many words start with the letter 'a' in the sentence.


Output: 3