Syntax
  examine = examine (i)
    Where i Isa thing
      Else 
        "Try examining something worth bothering with."
  
Add To Every thing
  Is
    examinable.

  Verb examine
    Check i Is examinable
      Else 
        "You can not examine" Say The i. "."
    Does
      "There is nothing special about it."
  End Verb.
End Add.


The martha Isa actor
  At bus_stop 
  Verb examine
    Does Only
      "Martha resents being scrutinized in that way."
  End Verb.
End The martha.


The bus Isa object
  At bus_stop 
  Verb examine
    Does Only
      "The bus is red. ... and stopped at the bus stop."
  End Verb.
End The bus.

The sign Isa object
  At bus_stop 
End The sign.

The car Isa object
  At bus_stop 
  Is 
    Not examinable.
  Description
    "A car drives by."
End The car.

The bus_stop Isa location
  Name 'At the Bus Stop'
End The bus_stop.

Start At bus_stop.