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

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

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