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

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

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