The phrase "clearly contradict" is grammatically correct and can be used in written English.
It means to directly oppose or conflict with something in a clear and obvious manner. Example: His words clearly contradict his actions. He claims to support equal rights, but he consistently makes discriminatory comments.
He could not understand how the two Cabinet members could so clearly contradict the President.
"Des Browne [the defence secretary] needs to urgently explain how the extract from this speech could so clearly contradict stated government policy on a new warhead..
That's what happens when you have an administration that comes into office with no integrated political-strategic vision, but rather with a set of theological positions -- on taxes, missile defense and trade -- some of which clearly contradict others.
Those data, says Willett, clearly contradict the low-fat-is-good-health message "and the idea that all fat is bad for you; the exclusive focus on adverse effects of fat may have contributed to the obesity epidemic".
These interests clearly contradict the basic features of a democracy — in which the people are the source of legitimacy, the military's activities are subject to civilian oversight, politics are unpredictable and power changes hands.
It "can be viewed as pressure from the European Union on Gazprom, with the goal of influencing prices and the results of commercial contracts, which clearly contradict the principles of a market," Mr. Kupriyanov said at a news conference in Moscow.
Goulson said: "That clearly contradicts their own study".
"This recommendation is wrong and clearly contradicted by precedent," Mr. Kendall said.
The greatest scientific innovators -- the physicists -- were producing theories, like relativity, that clearly contradicted it.
Mr. Lauder's lawyer, Andrew Frackman, said his own research — which he has shared with Mr. Schoenberg — clearly contradicts the Jorisch assertions.
The description of Alan Schechner's image of himself holding a Diet Coke among the Buchenwald survivors clearly contradicts that rationale.
