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

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

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