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

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

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