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

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

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