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

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

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