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

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

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