Steve Smith's 71 helped Australia recover from a batting collapse as the tourists frustrated England by establishing a first-innings lead in the fifth and final Ashes Test at The Oval on Friday.Australia were eventually bowled out with what became the last ball of the second day for 295, 12 runs ahead of England's 283.It looked as if England would enjoy a sizeable advantage as veteran seamer Stuart Broad sparked a slump that saw Australia decline from 115-2 to 185-7.But Smith and Australia captain Pat Cummins (36) kept England at bay with an eighth-wicket stand of 54.And off-spinner Todd Murphy -- recalled to the side following last week's rain-marred drawn third Test at Old Trafford -- added to England's woes with a sparkling 34 that belied his position of No 10.Cummins eventually holed out off part-time spinner Joe Root, with rival skipper Ben Stokes throwing the ball back in over the rope at long-on to complete a fine catch.Australia, as the holders, are assured of retaining the Ashes at 2-1 up, and only need to avoid defeat at The Oval to secure their first Test series win away to England in 22 years.The tourists resumed Friday on 61-1, with Usman Khawaja 26 not out and Marnus Labuschagne, fresh from his hundred at Old Trafford, unbeaten on two.Australia's position in the series means they have no need to replicate England's risky 'Bazball' batting approach.But they arguably veered too much in the opposite direction during an attritional morning session, scoring just 54 runs in 26 overs for the loss of Labuschagne.The No 3 himself took a further 59 balls to score just seven more runs before edging express fast bowler Mark Wood, with Root holding a brilliant one-handed catch diving to his left at first slip.Smith