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

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

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