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

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

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