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

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

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