text: On the morning of May 20, at Tan Son Nhat Airport in HCMC, Korean Air planes had to change direction to another runway because of bird entanglements?
classes:  No, the remaining flights on May 20 of Tan Son Nhat Airport are operating normally.  Besides, the remaining flights on May 20 of Tan Son Nhat Airport are operating normally.  Yes, the remaining flights on May 20 of Tan Son Nhat Airport are operating normally.  Meanwhile, the remaining flights on May 20 of Tan Son Nhat Airport are operating normally.