[lemma=not] □
[lemma=not] □ □
[lemma=not] (□ | □)
Under Unix , a process can modify its own environment ( some systems provide setenv ( ) or putenv ( ) functions for the purpose ) , and the modified environment is generally passed on to child processes , but it is * not * propagated back to the parent process . And the playing of the national anthems : only Americans stood for the " Star Spangled Banner " ( * not * sung by Roseanne Barr ) , and fewer than half of the Japanese stood for their anthem ( and I have no idea what the tradition is in this regard ) . If not , we should not e surprised if they refuse to read . By the way , George Michael was * not * caught having sex by the News Of The World . It is not too uncommon to find classified material in used bookstores , though I repeat this was _ not _ classified .