We spent the night in a mountain hut.

He mixed coffee and milk.

I like solving Tsumego problems.

We need to combine these data.

We have a responsibility to protect this world.

Ex post facto laws pose a problem for a fair legal system.

He is thought to be a greedy person.

His greed led to his downfall.

He finally achieved his goal after an extremely long period of time.

Under the Firmiana simplex tree, he was reading a book.