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 young skateboarder practices in a city skate park as others look on'. Count the number of consonants in the given sentence.
34

Sentence: 'a clock stands on the curb of a busy street'. Count the number of vowels in the given sentence.
11

Sentence: 'a red van has pictures of lawn mowers painted on the side'. Count the number of consonants in the given sentence.

28