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

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

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