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

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

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