No. Non. Nein. Nyet.Those were the answers that the Columbia Pictures PR crew were seeking at the L.A. all-media screening of “The Fifth Element” April 28. Columbia, desperate to keep any reviews from running in the foreign press before the sci-fier’s Cannes debut May 7, had already discovered some daring, but heavily accented, French journos trying to sneak into the screening. Their solution? Reps stationed at the door posed the question, “Do you work for a foreign publication or are you a member of the Hollywood Foreign Press Assn.?” A negative answer ensured entry, but lying is a universal language.