*SUPPORT*
IN: fep lug gazzer blicket wif OUT: YELLOW PURPLE PURPLE RED
IN: kiki lug fep OUT: PURPLE GREEN GREEN
IN: kiki blicket wif OUT: GREEN RED
IN: wif lug gazzer blicket wif OUT: YELLOW RED RED RED
IN: fep kiki lug wif blicket fep blicket wif OUT: PURPLE RED GREEN GREEN PURPLE RED
IN: fep lug wif OUT: RED PURPLE PURPLE
IN: wif lug wif OUT: RED RED RED
IN: wif tufa OUT: RED RED
IN: fep lug kiki OUT: GREEN PURPLE PURPLE
IN: gazzer lug gazzer OUT: YELLOW YELLOW YELLOW
IN: fep tufa blicket gazzer OUT: PURPLE PURPLE YELLOW
IN: fep fep lug gazzer blicket kiki OUT: PURPLE YELLOW PURPLE PURPLE GREEN
IN: kiki lug wif OUT: RED GREEN GREEN
IN: kiki lug kiki OUT: GREEN GREEN GREEN

*QUERY*
IN: fep OUT: PURPLE
IN: kiki kiki lug wif blicket fep OUT: GREEN RED GREEN GREEN PURPLE
IN: wif OUT: RED
IN: wif lug fep OUT: PURPLE RED RED
IN: kiki OUT: GREEN
IN: gazzer OUT: YELLOW
IN: gazzer lug wif OUT: RED YELLOW YELLOW
IN: fep fep lug kiki tufa OUT: PURPLE GREEN PURPLE PURPLE PURPLE GREEN PURPLE PURPLE
IN: gazzer fep kiki kiki lug fep OUT: YELLOW PURPLE GREEN PURPLE GREEN GREEN
IN: wif lug kiki OUT: GREEN RED RED

*GRAMMAR*
wif -> RED 
 gazzer -> YELLOW 
 kiki -> GREEN 
 fep -> PURPLE 
 x1 tufa -> [x1] [x1] 
 x1 blicket u1 -> [x1] [u1] 
 u1 lug u2 -> [u2] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 