using System;

    namespace Coding.Exercise

    {

        public class Exercise

        {

            public static int CountWordsInSentence(string sentence)

            {

                var count = 0;

                var result = sentence.Split(' ');

                foreach(var res in result){

                    if(res != "!" && res != "." && res != "?" ){

                        count++;

                    }

                }

                return count;

            }

        }

    }

​

​

​