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.

Sentence: 'a bunch of people in a metropolitan area with umbrellas walking on a sidewalk next to buildings'. How many words start with the letter 'p' in the sentence.
1

Sentence: 'chopped ingredients in little bowls lined up on a kitchen counter'. How many words start with the letter 'k' in the sentence.
1

Sentence: 'a man standing next to stop signs on a street corner'. How many words start with the letter 'c' in the sentence.

1