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

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

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