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

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

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