{"answers": " ", "options": ["f : boarding gate for ba16 to london is just changed gate 16 .", "f : boarding gate for ba16 to london is just changed gate 25 .", "f : boarding gate for ba16 to beijing is just changed gate 25 .", "f : boarding gate for ba16 to london is just changed gate 22 ."], "article": "m : excuse me , i just want to check the boarding gate for ba16 to london . is it gate 22 ? f : oh , it 's just changed gate 25. down that way on the right . m : thanks .", "id": "test_672"}