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

Example Input: Sentence: 'The dessert has ice cream and some fruit'. Count the number of verbs in this sentence.
Example Output: 1

Example Input: Sentence: 'A small white and brown dog carrying a red frisbee'. Count the number of nouns in this sentence.
Example Output: 2

Example Input: Sentence: 'A white airplane drops its landing gear preparing to land'. Count the number of verbs in this sentence.
Example Output:
3