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

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

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