Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: Australian holidaymakers stranded in Bali are frustrated and tired of waiting to come home after Jetstar and Virgin cancelled all flights in and out of the Indonesian island. Flight delays have now stretched into their third consecutive day, with major flight cancellations and delays occurring since Wednesday. Major Australian airlines Virgin and Jetstar continue to monitor a volcanic ash cloud that has settled over Denpasar airport in Bali causing visibility problems for pilots. Passengers have shared pictures on Instagram of the growing number of people waiting for flights home. While some have begun taking out their frustration on the major airlines.Virgin and Jetstar have cancelled flights to and from BaliAn eruption from Mount Raung has sent ash and debris into the flight pathPassengers have been stuck for three days and countingMount Raung is 150 kilometres from Denpasar airportThe eruption has made visibility difficult and created a hazard for flyingThe Volcanic Ash Advisory Centre in Darwin are advising what to do nextFlights could remain cancelled for weeksAlternative flights information has been provided to passengers affected 
 Question:Virgin commented: 'Affected _ passengers are urged to phone 13 6789 or (07) 3295 2296 and check the airline's website before travelling to the airport.'

Virgin