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

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

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