diff --git a/levels/remotes/problems b/levels/remotes/problems
index d2d8e33..fab71c5 100644
--- a/levels/remotes/problems
+++ b/levels/remotes/problems
@@ -30,4 +30,4 @@ test "$(git status -s)" = ""
 [win friend]
 
 # Look at your friend's suggestion, make a compromise, and push it back.
-git show main:file | grep green && git show main:file | grep blue || git show main:file | grep turquoise
+git rev-parse main^ && test "$(git rev-parse main^1^)" = "$(git rev-parse main^2^)"