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

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

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