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

Input: Consider Input: Sentence: 'A person is lying on the luggage claim conveyor belt'. Count the number of verbs in this sentence.

Output: 1


Input: Consider Input: Sentence: 'A duckling swims in a pond and catches some food'. Count the number of nouns in this sentence.

Output: 3


Input: Consider Input: Sentence: 'A male tennis player hits the ball with a forehand swing'. Count the number of verbs in this sentence.


Output: 1