When they got to register number 221 with their fork-lift cart with a trailer, three hours and 59 minutes had passed since they first entered through the gate of hall number 3.
It only took them an hour to get to the register.
mnli hypothesis: It only took them an hour to get to the register. premise: When they got to register number 221 with their fork-lift cart with a trailer, three hours and 59 minutes had passed since they first entered through the gate of hall number 3.