premise: By 7 p.m., six of the Saudis left by the newly arrived private plane, flying on to Cairo and remaining overnight until heading back to Riyadh, according to Sabah and other media reports. By 11 p.m., another seven left by the other private plane, heading to Dubai, United Arab Emirates, similarly remaining there overnight and then flying on to Riyadh the next day, according to reports. Two others flew out commercially, Sabah said.
hypothesis: Sixteen Saudis flew in total.
reason: By counting the scenario, fifteen Saudis flew.