How to play
1. Listen carefully.
2. Then,click the correct picture.
3. Be quick-You only have 5 seconds.
If you do not click the incorrect picture,you will lose one turn.
If you do not click quickly,you will lose one turn.
Slow ? fast
Asleep-awake
Full—empty
Long---short
Top----bottom
Down-up
Outside-inside
Heavy—light