| (a) | - | A lends a horse, which he knows to be vicious, to B. He does not disclose the fact that the horse is vicious. The horse runs away. B is thrown and injured, A is responsible to B for damage sustained. |
| (b) | - | A hires a carriage of B. The carriage is unsafe, though B is not aware of it, and A is injured. B is responsible to A for the injury. |