context: Charlie is not red. The son of Erin is not Gary. Charlie is young. Erin is the husband of Harry. If Charlie is not the uncle of Gary then The grandfather of Erin is Gary. If Charlie is not red then The brother of Harry is Fiona. If Erin is not nice then Charlie is Anne's father. If Bob is not white then Charlie is the uncle of Gary. If Bob is not white then Anne is the uncle of Erin. If Fiona is the grandfather of Dave then The grandmother of Gary is Harry. If Gary is Dave's aunt then Gary is blue. If Bob is not quiet then Erin is not nice. Fiona is not the brother of Harry if Bob is not white. Harry is the uncle of Gary if The grandfather of Charlie is Dave. Bob is quiet if Harry is not nice. If Bob is not white then The grandfather of Dave is not Fiona. If Charlie is young then Fiona is not rough. Bob is furry if Bob is not white. Gary is Fiona's son if Harry is not nice. The grandmother of Gary is not Harry if Bob is not white. If The aunt of Dave is Gary then Charlie is not the father of Anne. If Bob is not white then Fiona is rough. If Gary is Dave's aunt then Gary is not Erin's grandfather. If Harry is the grandmother of Gary then Bob is not quiet. If Fiona is not rough then Gary is not blue. Fiona is the grandfather of Dave if Charlie is young. Harry is not nice if Bob is not white. Charlie is not the uncle of Gary if Bob is not furry. Anne is not Erin's uncle if Fiona is not rough. Dave is the grandfather of Charlie if Gary is the aunt of Dave. Gary is Dave's aunt if Bob is not white. Charlie is not big if Fiona is the brother of Harry. If Bob is not white then Erin is nice. The son of Fiona is not Gary if Charlie is not red. The sister of Erin is Dave if The grandfather of Charlie is Dave. Dave is not Erin's sister if Bob is not quiet. If Dave is the grandfather of Charlie then Charlie is big. Gary is round if The sister of Erin is not Dave. Gary is not round if Gary is Dave's aunt. If Charlie is not red and Erin is Harry's husband then Bob is not furry.