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: 'parking meter with nine minutes left and red car'. How many words start with the letter 'c' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'decorative objects on a counter in front of a framed picture'. How many words start with the letter 'o' in the sentence.

Ex Output:
3


Ex Input:
Sentence: 'bunches of bananas are displayed in a shop'. How many words start with the letter 'b' in the sentence.

Ex Output:

2