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

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

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