Stand-in captain Courtney Lawes insists England will "relentlessly" strive for improvement and "won't give up" following another major jolt in their bumpy road towards the World Cup.Head coach Steve Borthwick is sweating on the availability of two key players ahead of the tournament in France after Billy Vunipola's red card in Dublin compounded Owen Farrell's disciplinary saga.England struggled to convince with 15 men at the Aviva Stadium before Vunipola's 53rd-minute dismissal for ploughing into the head of Andrew Porter helped the world's top-ranked team cruise to a 29-10 success.Yet flanker Lawes, who skippered his country as Farrell watched on from the stands, believes there were "a lot of positives" to take from a meek display."It's obviously very disappointing," he said. "The thing is if we just get certain things right in that game, it's very different, it's a very different game - and they are all things that we can control."But we have to be able to control them.
There are obviously a lot of positives, which is great."If we tidy up a couple of areas, we'll be a much different team and we've proved we can hang with the best as long as we get them right.
But it doesn't make it any less disappointing that we didn't get it right."We won't give up. We will relentlessly pursue the betterment of our team and that's all we can do." England rarely offered a try-scoring threat on Saturday evening and were 12-3 behind at the break following scores from Bundee Aki and Garry Ringrose.Matters took a turn for the worse shortly after the restart when Vunipola's shoulder-led tackle was upgraded from a yellow card to a red on review.Tries from James Lowe and Mack Hansen stretched Ireland's lead before Keith Earls added to the