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

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

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