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

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

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