What uproar do the Hossains find when they arrive home from the park in Section 13: Chapter 16?

After walking in the park on Sunday, Nadira, Abba and Ma return home to find an uproar. Uncle is furious because Aisha has helped Taslima run away to marry Tim since Uncle and Auntie are returning to Dhaka. Learning Aisha has been skipping school, Ma questions her eldest daughter who retreats into Taslima's room.