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: 'the man is doing a jump on his skateboard'. Count the number of vowels in the given sentence.
13

Sentence: 'some people are looking at two giraffes at a zoo'. Count the number of consonants in the given sentence.
20

Sentence: 'people para sailing on a windy day with an american flag blowing'. Count the number of consonants in the given sentence.

32