You will be given a definition of a task first, then some input of the task.
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: 'people in the water holding onto parachutes while riding surfboards'. How many words start with the letter 'w' in the sentence.
Output:
2
You will be given a definition of a task first, then some input of the task.
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: 'people in the water holding onto parachutes while riding surfboards'. How many words start with the letter 'w' in the sentence.
Output:
user
2
assistant
You will be given a definition of a task first, then some input of the task.
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: 'people in the water holding onto parachutes while riding surfboards'. How many words start with the letter 'w' in the sentence.
Output:
2