Since then, Mir's main oxygen system has failed repeatedly (forcing its crew to burn chemical candles to survive), its commander has developed heartbeat irregularities (caused by stress), and a cosmonaut has accidentally unplugged its main computer (which is less powerful than the chip in some cellular phones).
The main oxygen system of Mir has had repeated failures.
The main oxygen system of Mir has been remarkably steady and consistent.
They don't like me.
One animal if free while another is confined on a farm.
A human placing kebabs
Two men are wearing kimonos outside
Some girls are sitting outside.
A woman drinks from a cup of water.