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

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

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