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

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

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