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

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

*GRAMMAR*
dax -> GREEN 
 wif -> YELLOW 
 fep -> BLUE 
 kiki -> PINK 
 u1 blicket x1 -> [x1] [u1] 
 x1 zup x2 -> [x1] [x2] 
 u1 lug u2 -> [u1] [u2] [u2] 
 u1 x1 -> [u1] [x1] 
 