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