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You bark like a dog.~
$n barks like a dog.~
You bark at $N who shies away.~
$n barks at $N, frothing at the mouth.~
$n turns to you with a strange gleam in $s eye, and goes, 'Woof!'~
Hmmm.... You must have scared that one away.~
You bark at yourself. Must be rabies.~
$n barks viciously at $mself.~