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 truck with signs on it parked in a green field with tents and flags lining the field'. Count the number of consonants in the given sentence.
[EX A]: 46

[EX Q]: Sentence: 'an orange suitcase with an advertisement on it sets on a pier'. Count the number of consonants in the given sentence.
[EX A]: 28

[EX Q]: Sentence: 'several people riding on the back of elephants'. Count the number of vowels in the given sentence.
[EX A]:
15