1Jana leaves her truck's motor running while she enters a Kwik-Pik Store.The truck's transmission engages, and the vehicle crashes into a gas pump, starting a fire that spreads to a warehouse on the next block.The warehouse collapses, causing its billboard to fall and injure Lou, a bystander.Can Lou recover from Jana?Why or why not?

2Sun Airlines, Inc., prints on its tickets that it is not liable for any injury to a passenger caused by the airline's negligence.If the cause of an accident is found to be the airline's negligence, can it use the clause as a defense to liability?Why or why not?

3Greg contracts to build a barn for Haney, who pays Greg in advance.Greg completes only half of the work.Haney pays Ipwich $5,000.00 to finish the barn.If Haney Sue's Greg, what will be the measure of recovery?

please help me answer 1 to 3