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

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

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