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

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

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