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

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

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