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.

[Q]: Sentence: 'a colorful sculpture of an elephant in a park'. How many words start with the letter 'a' in the sentence.
[A]: 3


[Q]: Sentence: 'a smiling woman sits at a table with a pizza and salad'. How many words start with the letter 'a' in the sentence.
[A]: 5


[Q]: Sentence: 'a large shiny stainless side by side refrigerator in a kitchen'. How many words start with the letter 'r' in the sentence.
[A]:
1