The feather is heavy.
The feather is not heavy . It is light.
This is a shark
This is not a shark. This is a dolphin.
Sugar is sour.
Sugar is not sour. It is sweet.
This is a ring
This is not a ring.this is a belt.
This is a cow
This is not a cow. This is a giraffe
it is an aeroplane.
It is not an aeroplane. It's a bicycle
the stone is soft.
The stone is not soft. It's hard.
The weather is sunny
The weather is not sunny. It is cloudy.
Apple is yellow.
Apple is not yellow. It is red /green.
This is a lion
This is not a lion. This is a frog.
Gold is cheap.
Gold is not cheap. Gold is expensive.
Lion Can Fly
Lion Cannot Fly. Lion Can walk/run