+You're in front of building.
+
+> version
+
+There is a puff of orange smoke; within it, fiery runes spell out:
+
+ Open Adventure 1.1 - http://www.catb.org/esr/open-adventure/
+
+> eat grate
+
+Don't be ridiculous!
+
+> in
+
+You are inside a building, a well house for a large spring.
+
+There are some keys on the ground here.
+
+There is a shiny brass lamp nearby.
+
+There is food here.
+
+There is a bottle of water here.
+
+> in
+
+I don't know in from out here. Use compass points or name something
+in the general direction you want to go.
+
+You're inside building.
+
+There are some keys on the ground here.
+
+There is a shiny brass lamp nearby.
+
+There is food here.
+
+There is a bottle of water here.
+
+> throw food
+
+You aren't carrying it!
+
+> nothing food
+
+OK
+
+> calm food
+
+I'm game. Would you care to explain how?
+
+> walk food
+
+Where?
+
+> score food
+
+Huh?
+
+> foo food
+
+I don't know how.
+
+> brief food
+
+On what?
+
+> blast food
+
+Blasting requires dynamite.
+
+> find grate
+
+I can only tell you what you see as you move about and manipulate
+things. I cannot tell you where remote things are.
+
+> light food
+
+I'm afraid I don't understand.
+
+> extinguish food
+
+I'm afraid I don't understand.
+
+> suspend food
+
+Huh?
+
+> resume food
+
+Huh?
+
+> crawl
+
+Which way?
+
+You're inside building.
+
+There are some keys on the ground here.
+
+There is a shiny brass lamp nearby.
+
+There is food here.
+
+There is a bottle of water here.
+
+> out
+
+You're in front of building.
+
+> stream
+
+You are in a valley in the forest beside a stream tumbling along a
+rocky bed.
+
+> lock
+
+There is nothing here with a lock!
+
+> take water
+
+You have nothing in which to carry it.
+
+> blast
+
+Blasting requires dynamite.
+
+> building
+
+You're in front of building.
+
+> cave
+
+I don't know where the cave is, but hereabouts no stream can run on
+the surface for long. I would try the stream.
+
+You're in front of building.
+
+> enter stream
+
+Your feet are now wet.
+
+> try three words
+
+Please stick to 1- and 2-word commands.