It seems this problem is not straightforward.

This problem won't be solved by ordinary means.

You're annoying, piss off!

I will take my dog to the park.

His shirt was wet with sweat.

They will never remarry after they divorced. Because 'once a married couple divorce, they can't get back together', as the proverb says.

The Devonian period was a very important time in the history of the Earth.

He thoroughly researched the history of that nation.

He is a famous composer.

He is a famous lyricist who has produced many hit songs.