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

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

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