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

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

*GRAMMAR*
blicket -> RED 
 zup -> PINK 
 wif -> PURPLE 
 dax -> GREEN 
 u1 fep u2 -> [u2] [u1] 
 u1 lug -> [u1] [u1] 
 x1 gazzer u1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 