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

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

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