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 walking up to a double decker bus that has stopped'. How many words start with the letter 'w' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'a bus and two cars are going down a two way street'. How many words start with the letter 't' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'a table filled with food and plates with candles in the middle'. How many words start with the letter 'p' in the sentence.


Output: 1