instruction:
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.
question:
Sentence: 'a crew of people looking at an airplane'. Count the number of vowels in the given sentence.
answer:
15


question:
Sentence: 'some children's toys are sitting by a baby carriage'. Count the number of consonants in the given sentence.
answer:
27


question:
Sentence: 'two pictures of people shaking hands over a tennis net'. Count the number of consonants in the given sentence.
answer:

28