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

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

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