Actually, "Define better" is an excellent response. You have to know why the JW thinks JW's are best.
I had this discussion with Mrs. OTWO. She feels that JW's are teaching basic Bible truths, so she would
want me to show another religion that teaches basic Bible truths, but doesn't have the problems that
JW's have (child-abuse victims treated poorly, disfellowshipping of family members).
By knowing my wife and what she means, I could define "better." For her to say "If you can show me a
better religion," she means one that teaches the same nonsense that WTS teaches about the sign, last days,
life forever in paradise. I straight up told her, "I cannot offer you the religion you speak of, but I know JW's are
not the accurate religion you think they are." I couldn't get past that statement with her. She shut down.
I hope my negative experience helped. If I hear any other good-sounding answers here, I will try them.