This is an obvious figure-ground relationship because you can see the headset before the background.

This is an ambiguous figure-ground relationship because there are more then one objects and which makes it hard to where to look first.

This is an ambiguous figure-ground relationship because there is a reflection and it makes hard to figure out where to look first.

This is an ambiguous figure-ground relationship because the reflection make it hard to see.

This is an obvious figure-ground relationship because you can see a car before background.

This is an obvious figure-ground relationship because you can see a guinea pig clearly.