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: Good news has arrived for stranded holidaymakers after Virgin Australia and Jetstar officially announced that conditions were safe to resume flights to and from Bali. Earlier on Saturday, Indonesian officials declared Denpasar Airport safe to reopen as the cloud of ash from the eruption of Mount Raung drifted away. Virgin sent an observation flight to the airport to have visual confirmation and determine whether conditions were suitable for flights to operate before giving the all-clear. The airline said scheduled flights out of Denpasar would go ahead on Saturday evening and it plans to continue operations in and out of the Indonesian island on Sunday.Virgin Australia and Jetstar has confirmed it is able to resume flightsThey announced the conditions were safe to operate to and from BaliStrong winds pushed the ash cloud away from the airport on SaturdayAn eruption from Mount Raung caused the large ash cloud to formThe cloud caused visibility issue and can effect engine electronicsIt caused thousands of Australians to be stranded at Denpasar airport 
 Question:The ash grounded planes from Virgin, _, Garuda and AirAsia on Friday.

Jetstar