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

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

*GRAMMAR*
blicket -> PURPLE 
 dax -> YELLOW 
 wif -> RED 
 zup -> BLUE 
 u1 tufa u2 -> [u2] [u1] 
 x1 kiki x2 -> [x2] [x1] 
 u1 lug -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 