The husband of Charlie is not Dave. Dave is blue. Gary is not young. Charlie is the father of Gary. Bob is not white if Dave is blue. If Gary is not rough then Bob is white. If Dave is blue then Erin is not green. If Gary is not rough then Erin is green. If Gary is not rough then Charlie is not Erin's uncle. Bob is not nice if Gary is not rough. Anne is not young if Gary is not young. If Gary is not rough then Anne is young. If Erin is not green then The grandfather of Gary is Charlie. Charlie is not the grandfather of Gary if Gary is not rough. Dave is not Charlie's uncle if Anne is not young. The uncle of Charlie is Dave if Bob is not nice. If Bob is not white then Anne is not Erin's son. If Gary is not rough then Anne is Erin's son. Dave is furry if Bob is not nice. Harry is furry if Bob is not white. If Bob is not nice then Harry is not furry. The wife of Dave is not Anne if Anne is not Erin's son. Anne is the wife of Dave if Bob is not nice. If Anne is not Erin's son then The wife of Fiona is Harry. The wife of Fiona is not Harry if Bob is not nice. If Charlie is the grandfather of Gary then Anne is not Fiona's father. If Bob is not nice then The father of Fiona is Anne. Erin is rough if The uncle of Charlie is not Dave. Erin is not rough if Bob is not nice. If Dave is not Charlie's husband then Fiona is white. Fiona is not white if Dave is furry. Bob is not quiet if The wife of Dave is not Anne. Bob is quiet if Bob is not nice. If Harry is furry then Anne is rough. Anne is not rough if Charlie is not Erin's uncle. If Bob is not quiet then The son of Erin is not Bob. If The uncle of Erin is not Charlie then Bob is Erin's son. If Gary is not young then The father of Fiona is not Gary. The father of Fiona is Gary if Gary is not rough. Fiona is not Dave's sister if Fiona is white. If Gary is not rough then Fiona is Dave's sister. If Fiona is white then The wife of Erin is Dave. If Dave is furry then Dave is not the wife of Erin.