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

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

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