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: 'a man with a stick herds cows down a gravel road'. Count the number of consonants in the given sentence.
25

Sentence: 'a car modified to be a boat on the water'. Count the number of consonants in the given sentence.

16