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

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

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