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

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

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