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

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

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