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Tiny wrote songs for pop-singers last year

Billy was in Antarctica thee days ago

The boy drank cold and dirty water yesterday

Jill played football an hour ago

Tim and Tom were in the desert a week ago

Tiny didn't write songs for pop-singers last year.

Billy wasn't in Antarctica three days ago.

The boy didn't drink cold and dirty water yesterday.

Jill didn't play football an hour ago.

Tim and Tom weren't in the desert a week ago.