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

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

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