What's this?
safe/dangerous
What's this?
long/short
What's this?
clean/dirty
What's this?
right/left
What's this?
big/small
What's this?
cheap/expensive
What's this?
full/empty
What's this?
the same/different
What's this?
light/dark
What's this?
good/bad
What's this?
old/young
What's this?
tall/short
What's this?
easy/difficult
What's this?
hot/cold
What's this?
beautiful/ugly