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

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

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