It this a big house?
It's small.
Is the weather hot?
It's cold.
Is his hand clean?
It's dirty.
Are they tall?
They're short.
Is he weak?
He's strong.
Is this a new car?
It's old.
Is this an ugly place?
It's beautiful.
Is her hair short?
It's long.
Is this glass empty?
It's full.
Is this right?
It's wrong.
Is this a cheap car?
It's expensive.
Is this woman young?
She is old.
Is a snail fast?
It's slow.
Is this a low mountain?
It's high.
Is this safe?
It's dangerous.
Is this puzzle easy?
It's difficult.
Are they different?
They're the same.
Is it a dark night?
It's light.
Is he poor?
He's rich.