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

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

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