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 group of people are gathered around a running fire hydrant'. Count the number of consonants in the given sentence.
29

Sentence: 'an orange suitcase with an advertisement on it sets on a pier'. Count the number of consonants in the given sentence.
28

Sentence: 'a bathroom area with a toilet, counter and blue walls'. Count the number of consonants in the given sentence.

24