ESPNcricinfo staff23-Apr-2015Cook reached his fourth fifty in seven innings…•Getty Images…and Trott his first since The Oval in August 2013•AFPDevendra Bishoo broke the opening stand when Trott edged to second slip…•Getty Images….and Cook could not end the near two-year wait for a hundred when he dragged on against Shannon Gabriel•Getty ImagesIan Bell fell in similar fashion to his captain, dragging on against Gabriel on a sluggish pitch to give West Indies a life•AFPHowever, Joe Root once again added impetus to the innings with a sixth consecutive Test fifty – equalling an England record…•Getty Images…and he converted that into a sixth Test hundred, his first overseas•Getty ImagesGary Ballance helped Root add 165 for the fourth wicket before dragging on against Marlon Samuels•AFPSamuels was the focus, again, when Ben Stokes departed but for this salute rather than an active role in the wicket•Associated PressRoot ended a warm day’s work unbeaten on 118 despite a back that was “stiff and sore”•AFP