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

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

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