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

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

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