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

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

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