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 kitchen with hard wood floors and metallic appliances'. How many words start with the letter 'm' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a man that has a tennis racket by a court'. How many words start with the letter 'h' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'there is a sign with a man in the center of a circle'. How many words start with the letter 'c' in the sentence.

Ex Output:

2