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.

[Q]: Sentence: 'a herd of sheep are walking up a muddy hill next to a parked minivan'. Count the number of vowels in the given sentence.
[A]: 21


[Q]: Sentence: 'a big pile of pizzas that are in pans'. Count the number of vowels in the given sentence.
[A]: 12


[Q]: Sentence: 'little boy stands atop the flatbed truck parked in the field'. Count the number of vowels in the given sentence.
[A]:
16