example Y/N in BASIC

89 PRINT "WOULD YOU LIKE TO START A NEW GAME?"
90 INPUT "PLEASE ANSWER YES OR NO > ";YN$
91 IF YN$="YES" OR YN$="Y" OR YN$="START" THEN 93
92 IF YN$="NO" OR YN$="N" OR YN$="QUIT" OR YN$="EXIT" THEN 5000
93 this line will be "yes" which continues the program and 5000 being "no" which ends the game/EOF