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

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

*GRAMMAR*
lug -> PINK 
 zup -> YELLOW 
 dax -> BLUE 
 gazzer -> GREEN 
 u1 fep u2 -> [u1] [u2] 
 x1 tufa u1 -> [x1] [u1] 
 x1 kiki u1 -> [x1] [x1] [x1] [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 