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

Have a good day at school, son.

He always acts as if it's someone else's concern.

He decided to read another book.

He decided to move to another village.

He came from another prefecture.

He passionately discussed the problem of other minds in his philosophy class.

He is interested in the culture of foreign countries.

He made a decision taking into account various other circumstances.

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