I offered to exchange the ticket.
clerk exchage the ticket. But gate still doesn't open.
I said clerk once again. French clerk get angry.
He said 'I don't speak English'.
Somebody kindly take me to inside with his ticket.
Then policemens with arms appear in front of me.
They direct incident around me.
They make incident like this,finaly people injure others or kill themselves.
mass shooting or teror is arranged by them.