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

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

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