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

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

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