Assertion: brain's activity | /r/HasProperty | calculation
Facets:
Source sentences:
text: For example, common activities include Calculations, where the user is presented with a list of single-operator math operations and the user uses the system's touch screen to write their answer to each question, and Stroop Test based on the Stroop effect, where players must say into the unit's microphone the color of the text of a color name that appears on screen.