In this task, you need to count the number of nouns/verbs in the given sentence.

Example Input: Sentence: 'Tail end of an airplane waiting on the tarmac'. Count the number of verbs in this sentence.
Example Output: 1

Example Input: Sentence: 'Three children are sitting with food in the park'. Count the number of nouns in this sentence.
Example Output: 3

Example Input: Sentence: 'A toilet with it's lid up and a wire frame over the seat is sitting in the middle of a forest'. Count the number of verbs in this sentence.
Example Output:
1