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 black and white picture of a man standing on his skate board'. Count the number of consonants in the given sentence.
31

Sentence: 'two children sitting at a table with plates of food'. Count the number of vowels in the given sentence.
15

Sentence: 'a woman in orange sari on a park bench'. Count the number of consonants in the given sentence.

17