Dave is furry. Fiona is nice. Fiona is not furry. If Fiona is not furry then Bob is white. Bob is not white if The father of Charlie is not Anne. If Fiona is not furry then Harry is rough. Harry is not rough if Charlie is nice. If Fiona is not furry then The brother of Bob is not Charlie. If Charlie is nice then The brother of Bob is Charlie. Erin is big if Anne is not the father of Charlie. Gary is not blue if Charlie is not the brother of Bob. Gary is blue if Anne is not the father of Charlie. Erin is the grandfather of Gary if Fiona is not furry. If Anne is not Charlie's father then Erin is not the grandfather of Gary. If Bob is white then The uncle of Charlie is Gary. Gary is not the uncle of Charlie if Charlie is nice. If Charlie is nice then Erin is not green. Anne is nice if Gary is not blue. Anne is not nice if The father of Charlie is not Anne. If The father of Charlie is not Anne then Dave is not rough. If Charlie is nice then Fiona is the grandfather of Anne. If Gary is not blue then Harry is not white. If Charlie is nice then Harry is white. If Fiona is nice then Bob is not nice. Bob is nice if Erin is not green. The grandmother of Charlie is Harry if Anne is nice. The grandmother of Charlie is not Harry if Fiona is Anne's grandfather. If Harry is rough then Bob is not quiet. If Erin is big then Bob is quiet. If Harry is rough then Erin is not cold. Erin is cold if Erin is not green. If Charlie is not the brother of Bob then Anne is round. If Erin is not green then Anne is not round. If The grandmother of Charlie is Harry then Anne is big. Anne is not big if Erin is not green. If Anne is not Charlie's father then The son of Anne is not Fiona. Erin is young if Dave is furry. Erin is not young if The grandfather of Anne is Fiona.