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

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

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