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

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

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