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

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

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