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

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

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