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 model plane is flying through a cloudy sky'. Count the number of consonants in the given sentence.
24

Sentence: 'a group of sheep with a donkey walking in a parking lot'. Count the number of vowels in the given sentence.
17

Sentence: 'a pizza an empty plate and two glasses on a table'. Count the number of vowels in the given sentence.

15