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Two examples of the rating in practice from last year: Smoking was mentioned for the PG ratings for “Furry Vengeance” - a man was briefly shown smoking a cigar - and “Alice in Wonderland” - a smoking caterpillar.

Under a long-standing agreement between tobacco companies and state attorneys general, cigarette makers are prohibited from paying filmmakers to place tobacco products in movies. Tobacco companies say sometimes movie directors or producers use their products without asking permission.