AHMEDABAD, India (CMC): With a must-win game looming against defending champions India on Sunday, West Indies captain Shai Hope has admitted that they must execute better if they are to have a chance of advancing to the semi-finals of the ICC Men’s T20 World Cup. The Windies went into their match against South Africa knowing that victory would have almost certainly booked a spot in the final four but failed to fire with either bat or ball and were comprehensively beaten by nine wickets.