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

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

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