C:\trane\logicagent>ruby logicbot.rb
Hello
I have loaded C:/trane/logicagent/logicagent-api.yaml.
C:/trane/logicagent/graph.yaml loaded.

> reset graph
Okay, I have reset the graph.

> logicbot: if input =~ /(.*) (is a parent of) (.*)/ then self.send("#{$1} is an ancestor of #{$3}") end
Okay I have added if input =~ /(.*) (is a parent of) (.*)/ then self.send("#{$1} is an ancestor of #{$3}") end .

> John is a parent of Jack.
Okay, John is a parent of Jack.

> Jack is a parent of Jill.
Okay, Jack is a parent of Jill.

> is John a parent of Jill?
I have no knowledge that John a parent of Jill.

> is John an ancestor of Jill?
Yes, John is an ancestor of Jill.

> why is John an ancestor of Jill?
John an ancestor of Jill because: john is an ancestor of jack, and jack is an ancestor of jill

>