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

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

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