*SUPPORT*
IN: zup blicket wif gazzer blicket gazzer wif OUT: RED GREEN BLUE GREEN BLUE
IN: blicket zup fep zup fep blicket OUT: GREEN GREEN RED RED
IN: wif lug wif OUT: BLUE BLUE BLUE BLUE BLUE
IN: zup wif gazzer blicket OUT: RED BLUE GREEN
IN: dax lug dax OUT: PURPLE PURPLE PURPLE PURPLE PURPLE
IN: wif fep wif gazzer wif lug wif OUT: BLUE BLUE BLUE BLUE BLUE BLUE BLUE BLUE
IN: zup fep blicket OUT: GREEN RED
IN: dax blicket fep blicket OUT: PURPLE GREEN GREEN
IN: blicket OUT: GREEN
IN: zup OUT: RED
IN: dax OUT: PURPLE
IN: blicket gazzer zup OUT: GREEN RED
IN: zup fep dax fep dax OUT: PURPLE PURPLE RED
IN: wif lug blicket OUT: GREEN BLUE GREEN BLUE GREEN

*QUERY*
IN: wif fep dax OUT: PURPLE BLUE
IN: zup wif OUT: RED BLUE
IN: zup fep zup gazzer wif lug wif OUT: BLUE RED BLUE BLUE RED BLUE BLUE RED
IN: dax fep blicket blicket OUT: GREEN GREEN PURPLE
IN: dax gazzer blicket gazzer wif OUT: PURPLE GREEN BLUE
IN: zup blicket OUT: RED GREEN
IN: wif OUT: BLUE
IN: zup lug zup gazzer zup OUT: RED RED RED RED RED RED
IN: blicket wif lug dax OUT: PURPLE GREEN BLUE PURPLE GREEN BLUE PURPLE
IN: wif lug zup OUT: RED BLUE RED BLUE RED

*GRAMMAR*
zup -> RED 
 blicket -> GREEN 
 wif -> BLUE 
 dax -> PURPLE 
 u1 fep x1 -> [x1] [u1] 
 x1 gazzer u1 -> [x1] [u1] 
 x1 lug u1 -> [u1] [x1] [u1] [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 