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

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

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