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

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

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