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.

Ex Input:
Sentence: 'a beautiful young lady eating a candy apple on an amusement park ride'. How many words start with the letter 'a' in the sentence.

Ex Output:
5


Ex Input:
Sentence: 'a large ceramic ornament is surrounded by a flower bed and several flowers bushes and shrubs on a bright cloudy day'. How many words start with the letter 'f' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'a person with glasses on her head with a french fry in her mouth'. How many words start with the letter 'h' in the sentence.

Ex Output:

3