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

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

*GRAMMAR*
gazzer -> BLUE 
 lug -> RED 
 kiki -> GREEN 
 tufa -> PURPLE 
 u1 zup -> [u1] [u1] 
 x1 dax x2 -> [x2] [x1] 
 x1 wif -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 