article_snippet.sent: Sanchez leaps skywards to celebrate Sanchez second goal of the game for Arsenal against Reading .
article_snippet.sent: Sanchez (left) rifles Arsenal into the lead against Reading in the FA Cup semi-final against Reading .
article_snippet.sent: Sanchez (third right) turns away in celebration as Reading's players lay crumpled on the ground after conceding .
article_snippet.sent: Striker Sanchez (right)  celebrates alongside team-mate Keiran Gibbs after scoring for Arsenal against Reading Reading .
article_snippet.sent: Daniel Williams (left) shoots at goal for Reading against Arsenal at Wembley but Sanchez
article_snippet.sent: Laurent Koscielny (centre) leaps up and controls possession as Arsenal took on Reading in the FA Cup semi-final at Wembley .