Rule qwdoknwuxzjjbgwm

[id: qwdoknwuxzjjbgwm] iSaid(what did you eat today?)
  && input($$x) 
  && unknownIf($$x is a type of food)
  => o(Is $$x a type of food?)

Loaded as

[id: qwdoknwuxzjjbgwm] iSaid(what did you eat today?) && input($$x) && unknownIf($$x is a type of food) => output(Is $$x a type of food?)