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

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

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