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

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

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