Assertion: optical illusion | /r/HasProperty | fun
Facets:
value: really
type: DEGREE
Source sentences:
text: Optical illusions can be fun and fascinating, but they can also tell us a great deal of information about how the brain and perceptual system function.
text: Optical Illusion - is a fun game that can produce optical illusions.
text: Optical illusions are really fun to see, as they confuse us about what the picture really is, and play with our minds.
text: Optical illusions can be fun, and at the same time it tells us a lot about how the brain and perceptual function work.
text: Optical illusions can be fun to play with.
text: Optical illusions are fun, but they have been known to cause momentary discomfort, especially among people with sensory disorders or fluctuating blood pressures.