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

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

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