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

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

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