Is this a source of light?
No, it isn't.
Yes, it is.
What type of source is this?
Natural.
Artificial.
What type of source is this?
Artificial.
Natural.
What type of source is this?
Artificial.
Natural.
What type of source is this?
Artificial.
Natural.
Is this a source of light?
No, it isn't.
Yes, it is.
Is this a source of light?
Yes, it is.
No, it isn't.
Is this a source of light?
No, it isn't.
Yes, it is.
What type of source is this?
Artificial.
Natural.
Is this a source of light?
No, it isn't.
Yes, it is.
What type of source is this?
Artificial.
Natural.
Is this a source of light?
No, it isn't.
Yes, it is.
Is this a source of light?
Yes, it is.
No, it isn't.
Is this a source of light?
No, it isn't.
Yes, it is.
Is this a source of light?
No, it isn't.
Yes, it is.
What type of source is this?
Natural.
Artificial.
Is this a source of light?
No, it isn't.
Yes, it is.
Is this a source of light?
Yes, it is.
No, it isn't.
Is this a source of light?
No, it isn't.
Yes, it is.
Is this a source of light?
No, it isn't.
Yes, it is.
Is this a source of light?
Yes, it is.
No, it isn't.
What type of source is this?
Natural.
Artificial.