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

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

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