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

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

*GRAMMAR*
tufa -> YELLOW 
 wif -> BLUE 
 dax -> RED 
 lug -> PINK 
 u1 blicket -> [u1] [u1] 
 x1 zup x2 -> [x1] [x2] 
 u1 kiki u2 -> [u1] [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 