{"answers": " ", "options": ["f : so $ 35 for two pairs . it 's cheap .", "f : i see . i need to pay $ 70 if i want to take two pairs .", "f : i 'll take two pairs of shoes . $ 28 a pair , then i have to pay $ 56 .", "f : i 'd take two pairs . here 's $ 56 for you ."], "article": "f : how much are these shoes ? m : $ 35 a pair . but you can get a 20 % discount if you take 2 pairs .", "id": "test_813"}