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

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

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