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 bowl of vegetables and fruit such as oranges cantaloupe and peaches sits on a brightly colored table'. How many words start with the letter 'c' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'dusty train passing through a dry mountain valley'. How many words start with the letter 'd' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'a toilet painted like a cow sitting next to a sink painted like a cow in a restroom'. How many words start with the letter 'p' in the sentence.

Ex Output:

2


