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

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

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