Fact Pattern $34-1$

$$Truck & Transfer Inc. agrees to pick up two containers for United Home Products Corporation and store their contents, to be delivered later. While Truck & Transfer unloads one container, the other disappears from the company$$s loading dock.

Refer to Fact Pattern $34-1.$ These facts give rise to$$

a$.$ a presumption of theft by Truck & Transfer.$$

b$.$ a presumption of theft by a third party.$$

c$.$ United Home's liability for the container's loss.$$

d$.$a presumption of negligence by Truck & Transfer.