claim: Nate Diaz signed a contract.
evidence: Warszawa Ursus Połnocny railway station is a railway station in the Ursus district of Warsaw , Poland .. Warsaw. Warsaw. Ursus. Ursus, Warsaw. railway station. railway station. Poland. Poland. The station is served by Koleje Mazowieckie , who run trains from Kutno to Warszawa Wschodnia .. Koleje Mazowieckie. Koleje Mazowieckie. Kutno. Kutno railway station. Warszawa Wschodnia. Warszawa Wschodnia railway station