The passenger pigeon is an extinct species that was once very common in North America.

Next week, we will go to Kyoto on a field trip.

Have a good day at school, son.

When her son goes to school, the mother always says 'see you later'.

I ran into an old friend by chance at the library.

I carry my lunch box every day.

My grandfather often used to sing 'Umi Yukaba'.

Well then, I'm off.

This problem won't be solved by ordinary means.

I can't stand it anymore, get out!