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

> Christopher married Penelope.
Okay, Christopher married Penelope.

> Christopher is male.
Okay, Christopher is male.

> Christopher and Penelope had Arthur.
Okay, Christopher and Penelope had Arthur.

> Christopher and Penelope had Victoria.
Okay, Christopher and Penelope had Victoria.

> are Arthur and Victoria siblings?
Yes, Arthur and Victoria are siblings.

> logicbot: if input =~ /who is (.*)'s father/ then r1,s = self.send("who had #{$1}"); 
if /(.*) and (.*) had/ =~ r1 then f1 = $1.to_s; f2 = $2.to_s; 
rf1,s = self.send("is #{f1} male?"); if rf1 =~ /Yes/ then response = "#{f1}" end; 
rf2,s = self.send("is #{f2} male?"); if rf2 =~ /Yes/ then response = "#{f2}" end; 
end; end
Okay [...] 

> who is arthur's father?
christopher

> Christine and Andrew had James.
Okay, Christine and Andrew had James.

> Andrew is male.
Okay, Andrew is male.

> who is James's father?
andrew

> Victoria and James had Colin
Okay, Victoria and James had Colin.

> who is Colin's grandfather?
I don't know

> logicbot: if input =~ /who is (.*)'s grandfather/ then r1,s = self.send("who is #{$1}'s father");
r2,s = self.send("who is #{r1}'s father"); response = r2; end
Okay [...]

> who is Colin's grandfather?
you don't know what you don't know what Colin's father is.'s father is.

> James is male.
Okay, James are male.

> James is singular
Okay I have recorded James as a singular form.

> is James male?
Yes, James is male.

> who is Colin's grandfather?
andrew

>