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

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

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