the ruler is ... (long/short)
The ruler is short.
The bird is ... (ugly/cute)
The bird is ugly.
The cat is ... (ugly/cute)
The cat is cute.
The dog is ... (old/young)
The dog is young.
The turtle is ... (old/young)
The turtle is old.
I have/don't have a bird.
I don't have a bird.
The ant is ... (big/small)
The ant is small.
I have/don't have a turtle.
I have a turtle.
The elephant is ... (big/small)
The elephant is big.
The snake is ... (long/short)
The snake is long.