1.2.4 Grounding

Grounding.

System:	Which floor do you want?
User:	Third floor.
System:	I'm taking you to the fourth floor.
User:	No, third floor.
System:	I'm taking you to the third floor.

The elevator misrecognises the requested floor. The user corrects it and the elevator takes the correction correctly into account.

Current state and possibility of extension: See Section 2.4.3. See also description of elevator, Section 2.3.