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

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

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