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

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

*GRAMMAR*
fep -> RED 
 kiki -> YELLOW 
 wif -> BLUE 
 tufa -> GREEN 
 u1 blicket u2 -> [u2] [u1] [u1] [u1] 
 u1 zup -> [u1] [u1] [u1] 
 x1 dax u1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 