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 couple of giraffes are standing in a grassy field'. Count the number of consonants in the given sentence.
25

Sentence: 'many motorcycles are lined up to be displayed'. Count the number of vowels in the given sentence.
14

Sentence: 'a police officer is standing on a street corner'. Count the number of vowels in the given sentence.

16