text: On the morning of May 20, at Tan Son Nhat Airport in HCMC, Korean Air planes had to divert to another runway because of bird entanglements?
classes:  No, the flock was evacuated shortly after the incident was discovered.  Besides, the flock was evacuated shortly after the incident was discovered.  Yes, the flock was evacuated shortly after the incident was discovered.  Meanwhile, the flock was evacuated shortly after the incident was discovered.