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

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

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