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.

[EX Q]: Sentence: 'a crowd of people at a festival type event in front of a clock tower'. Count the number of consonants in the given sentence.
[EX A]: 33

[EX Q]: Sentence: 'a street sign on the edge of a street'. Count the number of vowels in the given sentence.
[EX A]: 12

[EX Q]: Sentence: 'a group of cows mill about on a grassy pasture'. Count the number of vowels in the given sentence.
[EX A]:
15