import java.io.*;
import java.util.*;

class FileSystem {
	private Set dirs  = new HashSet();
	private Set files = new HashSet();

	public FileSystem() {
		dirs.add("");
	}

	public void add(String path) {
		String[] segs = path.substring(1).split("/");

		String s = "";
		for(int i = 0; i < segs.length - 1; i++) {
			s = s + "/" + segs[i];
			dirs.add(s);
		}

		files.add(path);
	}

	public String normalize(String path) {
		if(path.endsWith("/")) path += ".";
		String[] segs = path.substring(1).split("/");

		String s = "";
		for(int i = 0; i < segs.length - 1; i++) {
			s = combine(s, segs[i]);
			if(!dirs.contains(s)) return null;
		}

		String last = segs[segs.length - 1];
		s = combine(s, last);

		if(dirs.contains(s)) {
			String t = combine(s, "index.html");
			if(files.contains(t)) return t;
		}

		if(last.equals(".") || last.equals("..")) return null;
		if(files.contains(s)) return s;
		return null;
	}

	private static String combine(String path, String segment) {
		if(segment.equals("..")) {
			String s = path.replaceAll("/[^/]+$", "");
			if(s.equals(path)) return null;
			return s;
		}

		if(segment.equals(".")) return path;
		return path + "/" + segment;
	}
}

public class D {
	public static void main(String[] args) throws Exception {
		BufferedReader br = new BufferedReader(new FileReader("D.txt"));

		String line;
		while((line = br.readLine()) != null) {
			StringTokenizer lex = new StringTokenizer(line);
			int n = Integer.parseInt(lex.nextToken());
			int m = Integer.parseInt(lex.nextToken());
			if(n == 0 && m == 0) break;

			FileSystem fs = new FileSystem();

			for(int i = 0; i < n; i++) {
				String path = br.readLine();
				fs.add(path);
			}

			for(int i = 0; i < m; i++) {
				String path1 = fs.normalize(br.readLine());
				String path2 = fs.normalize(br.readLine());

				if(path1 == null || path2 == null) {
					System.out.println("not found");
				}
				else {
					System.out.println(path1.equals(path2) ? "yes" : "no");
				}
			}
		}
	}
}