How did Guehi 'assist' allow Barry to score when offside?

How did Guehi 'assist' allow Barry to score when offside?To play this video you need to enable JavaScript in your browser.This video can not be playedFigure caption, Doku scores late to salvage draw in six-goal thrillerByDale JohnsonFootball issues correspondentPublished3 minutes agoCommentsEverton's pulsating 3-3 draw with Manchester City was full of drama - late goals, a defensive calamity and, of course, a bit of video assistant referee (VAR) controversy.At the top of the list was Thierno Barry's goal, with the Everton striker benefiting from being in an offside position thanks to a bizarre "assist" from City's Marc Guehi.Toffees boss David Moyes said he was "amazed" his side were not given a penalty when Bernardo Silva dragged down Merlin Rohl in the final five minutes. And then there was the potential red card for Everton defender Michael Keane, flying into a challenge on Jeremy Doku.Paul Howard, the VAR, stayed out of all three decisions and left them with the on-field call of referee Michael Oliver. Here is what happened at Hill Dickinson Stadium.Was it fair that Barry could score when offside?Image source, Getty ImagesImage caption, The assistant initially raised his flag for offside against Thierno Barry before referee Michael Oliver deemed the goal should be allowed to standBarry was waiting on the shoulder of Guehi, weighing up when to make his move as Rohl played a through ball.It was not a good pass by the German midfielder, straight to the feet of the Manchester City defender. While Barry had started to move towards Guehi, he was not placing the opponent under pressure. Inexplicably, Guehi under hit a back pass which Barry latched on to to score. Barry was offside and the assistant raised his flag to disallow the goal initially, but he was quickly overruled by Oliver.The law asks a few key questions: Did Barry do anything which could have caused Guehi to rush, or to influence his poor pass? Barry did move to...