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

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

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