A tree that was uprooted together with the rock, [or] was swept by a river together with the rock, if it can survive, it is exempt. But if not, it is liable. [If] the rock was dislodged from its side, or [if] the ploughshare jolted it, or if it jolted it and made it as dirt, if it is able to survive, it is exempt. But if not, it is liable.