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

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

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