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

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

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