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

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

*GRAMMAR*
kiki -> GREEN 
 lug -> PURPLE 
 zup -> RED 
 gazzer -> YELLOW 
 x1 wif x2 -> [x2] [x1] 
 u1 tufa u2 -> [u1] [u2] [u1] 
 u1 dax x1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 