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

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

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