How are they the same?
They all serve food, have waiters and waitresses, etc.
How are they the same?
They all have drains, hold water, have a plug, etc.
How are they the same?
They all cut paper, made out of metal, etc.
How are they the same?
They all have 4 equal sides, etc.
How are they the same?
They all have blankets, pillows, mattress, etc.
How are they the same?
They all have legs. They are all made out of metal and/or wood, etc.
How are they the same?
They all teach, etc.
How are they the same?
They all have doctors, nurses, patients, etc.
How are they the same?
They all need electricity, they all have vents, temperature settings, etc.
How are they the same?
They all have sand, etc.
How are they the same?
They all smell nice, colorful. Grow in dirt, etc.
How are they the same?
They all have beds, pillows, blankets, etc.
