Are they a source of light or not a source of light?
Stars are a source of light.
Are they a source of light or not a source of light?
Flowers are not a source of light.
Is it a source of light or not a source of light?
A torch is a source of light.
Is it a source of light or not a source of light?
A candle is a source of light.
Is it a source of light or not a source of light?
A lamp is a source of light.
Is it a source of light or not a source of light?
A bike is not a source of light.
Is it a source of light or not a source of light?
A jacket is not a source of light.
Is it a source of light or not a source of light?
A sandwich is not a source of light.
Is it a source of light or not a source of light?
The Sun is a source of light.
Is it a source of light or not a source of light?
A book is not a source of light.
Does it use electricity or not use electricity?
A lamp uses electricity.
Does it use electricity or not use electricity?
A cup does not use electricity.
Does it use electricity or not use electricity?
A TV uses electricity.
Does it use electricity or not use electricity?
Scissors do not use electricity.
Does it use electricity or not use electricity?
A torch uses electricity.
Does it use electricity or not use electricity?
A table does not use electricity.
