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 person drying a paper mache ball with a blow dryer'. Count the number of consonants in the given sentence.
28

Sentence: 'a bathroom showing a large mirror and sinks'. Count the number of consonants in the given sentence.
23

Sentence: 'a steam train is going down the train tracks'. Count the number of consonants in the given sentence.

23