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

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

*GRAMMAR*
gazzer -> BLUE 
 lug -> YELLOW 
 kiki -> RED 
 tufa -> GREEN 
 x1 fep x2 -> [x2] [x1] 
 u1 wif u2 -> [u1] [u2] 
 u1 blicket u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 