premise: The 1989 European Cup Winners' Cup Final was a football match contested between Barcelona of Spain and Sampdoria of Italy. It was the final match of the 1988–89 European Cup Winners' Cup and the 29th European Cup Winners' Cup Final. The final was held at Wankdorf Stadium in Bern, Switzerland, on 10 May 1989. Barcelona won the match 2–0 thanks to goals by Julio Salinas and Luis López Rekarte.
hypothesis: In the past Barcelona lost to Sampdoria.
reason: The article does not mention past matches; the system may not have understood syntax.