Whoever thought it was a good idea to put a load of bulls together in one field?
Well, yours is not to reason why. It is, however, your job to keep them apart - to avoid brawling bulls and potential injury (to themselves or anyone else for that matter).
To do this you'll need to isolate them from each other by building fences. Fortunately, some fence posts have already been put up around the field perimeter. Unfortunately, you only have a limited number of fence rails and mallets to work with... …