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 display of a variety of pizzas in a restaurant window'. How many words start with the letter 'd' in the sentence.
1

Sentence: 'a bathroom sink and mirror with someone personal belongings on it'. How many words start with the letter 'p' in the sentence.
1

Sentence: 'there is a very old radio in this brown shelf'. How many words start with the letter 'b' in the sentence.

1