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

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

*GRAMMAR*
tufa -> GREEN 
 fep -> PURPLE 
 dax -> BLUE 
 wif -> YELLOW 
 u1 gazzer u2 -> [u2] [u2] [u2] [u1] 
 x1 kiki -> [x1] [x1] 
 u1 lug -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 