claim: Musala is a valley.
evidence: Rafalca is a dressage horse co-owned by Ann Romney that performed in the equestrian competition at the 2012 Summer Olympics , with rider -LRB- and co-owner / trainer -RRB- Jan Ebeling .. Jan Ebeling. Jan Ebeling. Ann Romney. Ann Romney. dressage. dressage. equestrian competition. Equestrian at the 2012 Summer Olympics. 2012 Summer Olympics. 2012 Summer Olympics