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

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

*GRAMMAR*
wif -> RED 
 gazzer -> PINK 
 kiki -> GREEN 
 fep -> BLUE 
 x1 blicket u1 -> [u1] [x1] 
 u1 dax x1 -> [x1] [u1] [u1] 
 u1 lug x1 -> [u1] [x1] [u1] [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 