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

*QUERY*
IN: tufa dax OUT: BLUE BLUE
IN: lug OUT: GREEN
IN: tufa blicket OUT: BLUE BLUE
IN: wif OUT: RED
IN: wif tufa blicket OUT: RED BLUE BLUE
IN: tufa OUT: BLUE
IN: tufa blicket dax fep lug fep tufa blicket OUT: BLUE BLUE BLUE BLUE GREEN BLUE BLUE
IN: wif wif OUT: RED RED
IN: wif fep kiki dax OUT: RED PINK RED PINK
IN: kiki blicket dax OUT: PINK PINK PINK PINK

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