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

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

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