*SUPPORT*
IN: dax OUT: PURPLE
IN: dax tufa wif OUT: PURPLE GREEN GREEN
IN: zup lug tufa wif OUT: BLUE YELLOW GREEN GREEN
IN: lug lug gazzer dax OUT: YELLOW YELLOW PURPLE
IN: lug zup lug zup OUT: YELLOW BLUE YELLOW BLUE
IN: lug OUT: YELLOW
IN: tufa OUT: GREEN
IN: tufa lug OUT: GREEN YELLOW
IN: dax kiki OUT: PURPLE PURPLE
IN: zup kiki gazzer dax kiki OUT: BLUE BLUE PURPLE PURPLE
IN: dax lug kiki OUT: PURPLE YELLOW YELLOW
IN: zup kiki OUT: BLUE BLUE
IN: tufa tufa wif OUT: GREEN GREEN GREEN
IN: dax gazzer lug tufa wif OUT: PURPLE YELLOW GREEN GREEN

*QUERY*
IN: lug dax kiki OUT: YELLOW PURPLE PURPLE
IN: lug kiki gazzer dax kiki OUT: YELLOW YELLOW PURPLE PURPLE
IN: dax zup OUT: PURPLE BLUE
IN: dax zup tufa OUT: PURPLE BLUE GREEN
IN: tufa wif OUT: GREEN GREEN
IN: lug wif OUT: YELLOW YELLOW
IN: tufa kiki OUT: GREEN GREEN
IN: lug lug wif gazzer lug kiki OUT: YELLOW YELLOW YELLOW YELLOW YELLOW
IN: dax wif OUT: PURPLE PURPLE
IN: tufa tufa kiki OUT: GREEN GREEN GREEN

*GRAMMAR*
lug -> YELLOW 
 dax -> PURPLE 
 zup -> BLUE 
 tufa -> GREEN 
 u1 kiki -> [u1] [u1] 
 x1 gazzer x2 -> [x1] [x2] 
 u1 wif -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 