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

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

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