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 clear polka dotted umbrella attached to a pole'. Count the number of consonants in the given sentence.
23

Sentence: 'a street sign and a traffic light in front of a building'. Count the number of consonants in the given sentence.
29

Sentence: 'an extreme close up of a bear near rock formations'. Count the number of consonants in the given sentence.

23