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 is flying a kite in a field with other people in the distance'. How many words start with the letter 'w' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'an ostrich in the foreground with giraffes behind eating from a feeder'. How many words start with the letter 'w' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a knife and a carrot are on a cutting board'. How many words start with the letter 'c' in the sentence.


Output: 2