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

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

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