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

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

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