Fact 1: Touch can be used for detecting texture.

Fact 2: Texture: rough, smooth.

Given the two facts above, answer the question "What sense can be used to detect the smoothness of an object" with the following options: 
- fibers
 - touch
 - Hearing
 - Smell
 - vision
 - Taste
 - motion
 - retina


 

  touch       