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

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

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