Dave is blue. Dave is white. Erin is cold. Erin is furry. Erin is rough. Fiona is furry. Fiona is green. Fiona is kind. Fiona is white. Harry is blue. Harry is not cold. Harry is furry. Harry is green. Harry is rough. Harry is not white. All kind, cold people are not furry. All furry people are green. If Harry is green and Harry is kind then Harry is rough. All white people are blue. If someone is blue and not rough then they are not white. If Dave is not green then Dave is not blue.
Harry is not blue.
@0: Dave is blue.[(triple1 OR ((triple2) -> rule4))] Dave is white.[(triple2)] Erin is cold.[(triple3)] Erin is furry.[(triple4)] Erin is rough.[(triple5)] Fiona is furry.[(triple6)] Fiona is green.[(triple7 OR ((triple6) -> rule2))] Fiona is kind.[(triple8)] Fiona is white.[(triple9)] Harry is blue.[(triple10)] Harry is furry.[(triple12)] Harry is green.[(triple13 OR ((triple12) -> rule2))] Harry is not cold.[(triple11)] Harry is not white.[(triple15)] Harry is rough.[(triple14)] @1: Erin is green.[(((triple4) -> rule2))] Fiona is blue.[(((triple9) -> rule4))]