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

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

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