Red Bull team principal Christian Horner has admitted that he is still struggling to get to grips with the "complex" nature of Formula One and the Pirelli tyres featuring in the sport this season.
His comments come nearly a week after another topsy-turvy grand prix in Canada that saw a seventh different race winner named in what is fast becoming the most competitive season of the sport so far.
Lewis Hamilton's victory in Montreal set a new record, with the seven races completed this season each seeing a different driver take the chequered flag.
Once again, the race came down to compound strategy, with Hamilton outsmarting rivals Sebastian Vettel and Fernando Alonso in his use of the Pirelli tyres in the race.
With the reigning champion Vettel and Red Bull driver finishing the race fourth, while teammate Mark Webber came a distant seventh though, Mr Horner admitted they were still struggling to get to grips with the compounds.
"We've quite a few things to reflect on and try to understand," he said after the race.
"You are trying to make judgements through a race based on the feedback you have from your own car and the information you have around you, and it's tricky."
Despite this, Horner was quick to dismiss suggestions that the tyres made the race a lottery, choosing instead to describe the problem as "challenging".
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