using System;

public class Program

{

public static void Main()

    {

        var s1 = "Organics";

        var s2 = "RCS, RECYCLED CLAIM STANDARD";

​

        // Split s2 by commas and trim any extra whitespace

        var parts = s2.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries);

​

        // Check if any part in the split string exists in s1, case-insensitively

        bool contains = false;

        foreach (var part in parts)

        {

            if (s1.IndexOf(part.Trim(), StringComparison.OrdinalIgnoreCase) >= 0)

            {

                contains = true;

                break; // If one part matches, no need to check further

            }

        }

​

        Console.WriteLine(contains);  // Prints true or false based on the check

    }

}