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: 'the large cat sits on the ledge beside a window'. Count the number of vowels in the given sentence.
15

Sentence: 'a cat is sitting on a chair with its head turned to the side'. Count the number of consonants in the given sentence.
28

Sentence: 'a plate with grilled sandwich halves and sauce on the side'. Count the number of vowels in the given sentence.

18