Andreas Pereira struck twice on the day.
Silva said: "It was a great win. We knew what we missed in some moments and gave feedback to the players. Well deserved, we played really good football, some very good moments, fantastic transitions and we were the team that deserved to win.
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"It is important when you score early in the game. Something that has been key for us this season, when we have scored first we haven't lost yet in the Premier League.
"After we started to play our game we had some very good moments and the second half it was even more clear we were the best team on the pitch."