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

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

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