*SUPPORT*
IN: tufa blicket zup wif wif OUT: RED GREEN RED GREEN RED GREEN RED GREEN
IN: zup OUT: RED
IN: zup wif OUT: RED RED
IN: tufa lug wif OUT: GREEN YELLOW GREEN YELLOW
IN: dax blicket lug wif OUT: YELLOW PURPLE YELLOW PURPLE
IN: zup blicket lug OUT: YELLOW RED
IN: lug OUT: YELLOW
IN: zup blicket dax OUT: PURPLE RED
IN: tufa blicket tufa wif OUT: GREEN GREEN GREEN GREEN
IN: zup gazzer wif OUT: RED RED RED RED
IN: tufa wif OUT: GREEN GREEN
IN: dax gazzer wif OUT: PURPLE PURPLE PURPLE PURPLE
IN: tufa blicket lug OUT: YELLOW GREEN
IN: lug tufa blicket tufa OUT: YELLOW GREEN GREEN

*QUERY*
IN: tufa gazzer wif wif OUT: GREEN GREEN GREEN GREEN GREEN GREEN GREEN GREEN
IN: tufa dax gazzer OUT: GREEN PURPLE PURPLE
IN: tufa tufa lug OUT: GREEN GREEN YELLOW
IN: tufa gazzer wif OUT: GREEN GREEN GREEN GREEN
IN: zup blicket tufa OUT: GREEN RED
IN: zup lug wif wif OUT: RED YELLOW RED YELLOW RED YELLOW RED YELLOW
IN: dax blicket lug OUT: YELLOW PURPLE
IN: dax OUT: PURPLE
IN: zup gazzer wif wif OUT: RED RED RED RED RED RED RED RED
IN: zup gazzer OUT: RED RED

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