Well, regardless, if one of my sheep walks to the end of a 20 foot fence and around it to the other side, then wants to come back when I wave a bucket of grain

Well, regardless, if one of my sheep walks to the end of a 20 foot fence and around it to the other side, then wants to come back when I wave a bucket of grain at it, it stares at me through the fence in utter consternation as to how it can pass by this impossible barrier, then starts pacing back and forth anxiously as though lamenting its misfortune at being caught in such a complex trap.