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

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

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