Given the task definition and input, reply with output. In this task, you need to count the number of vowels (letters 'a', 'e', 'i', 'o', 'u') / consonants (all letters other than vowels) in the given sentence.

Sentence: 'a black cell phone resting on the table'. Count the number of vowels in the given sentence.

11
Given the task definition and input, reply with output. In this task, you need to count the number of vowels (letters 'a', 'e', 'i', 'o', 'u') / consonants (all letters other than vowels) in the given sentence.

Sentence: 'a black cell phone resting on the table'. Count the number of vowels in the given sentence.

user
11
assistant
Given the task definition and input, reply with output. In this task, you need to count the number of vowels (letters 'a', 'e', 'i', 'o', 'u') / consonants (all letters other than vowels) in the given sentence.

Sentence: 'a black cell phone resting on the table'. Count the number of vowels in the given sentence.

11