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

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

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