|''begin transaction for client''| Joanna |''staff''| Bill|
|''rent''|1||Truck|''for''|1 day|
|''drop rent''|1||Truck|''for''|1 day|
|''rent''|1||Bike|''for''|1 day|
|''rent''|1||Tricycle|''for''|1 day|
|''drop rent''|1||Tricycle|''for''|1 day|
|''drop rent''|1||Bike|''for''|1 day|
|''undrop rent''|1||Tricycle|''for''|1 day|
|''undrop rent''|1||Truck|''for''|1 day|
|''pay with cash $''|2020.00|
|''complete transaction''|