joe root is left stranded on 182 * after james anderson is run out , seemingly not paying attention .
root reacted angrily , before anderson immediately began to make amends with early wicket .
west indies responded strongly with the bat , with kraigg brathwaite and darren bravo building big partnership .
stuart broad finally dismissed bravo but the west indian batsmen continued to pile on the runs .
brathwaite reaches his century shortly before the close , as west indies establish a lead on day four .