For being so cold, it's good Dave can remain nice. Eric is red, but he has turned blue as he is cold.  He is nice but can be rough. Fred seems to be round. That guy Harry sure is nice. Red people are almost always rough. Being young and cold also means you're green. A person who is blue, red and nice is usually considered to be a young person. If a person acts cold yet nice and green, they will be kind.
Fred is rough.
@0: Dave is cold.[(triple2)] Dave is nice.[(triple1)] Eric is blue.[(triple7)] Eric is cold.[(triple6)] Eric is nice.[(triple5)] Eric is red.[(triple4)] Eric is rough.[(triple3 OR ((triple4) -> rule1))] Fred is round.[(triple8)] Harry is nice.[(triple9)] @1: Eric is young.[(((triple7 triple4 triple5) -> rule3))] @2: Eric is green.[(((((triple7 triple4 triple5) -> rule3) triple6) -> rule2))] @3: Eric is kind.[(((triple5 ((((triple7 triple4 triple5) -> rule3) triple6) -> rule2) triple6) -> rule4))]