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

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

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