import java.util.*;
import java.lang.*;
import java.util.regex.*;

class Main {

        static final String[] testcases = new String[] {
        	"'Tumblr' is an amazing app",
		"Tumblr is an amazing 'app'",
		"Tumblr is an 'amazing' app",
		"Tumblr is 'awesome' and 'amazing' ",
		"Tumblr's users' are disappointed ",
		"Tumblr's 'acquisition' complete but users' loyalty doubtful"
        };

	public static void main (String[] args) throws java.lang.Exception {
		Pattern p = Pattern.compile("(?:^|\\s)'([^']*?)'(?:$|\\s)", Pattern.MULTILINE);
		for (String arg : testcases) {
			System.out.print("Input: "+arg+" -> Matches: ");
			Matcher m = p.matcher(arg);
			if (m.find()) {
				System.out.print(m.group());
				while (m.find()) System.out.print(", "+m.group());
				System.out.println();
			} else {
				System.out.println("NONE");
			}
		} 
	}
}