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You examine your zipper and check to see if it is up.~
$n checks $s zipper to see if it's up.~
You tell $N to check $S zipper.~
$n tells $N to check $S zipper.~
$n tells you to check yer zipper, how embarrassing!~
They aren't here.~
You check yer zipper...~
$n check $s zipper...~