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

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

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