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

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

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