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

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

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