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

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

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