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

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

*GRAMMAR*
fep -> GREEN 
 tufa -> PURPLE 
 wif -> YELLOW 
 zup -> RED 
 u1 dax u2 -> [u1] [u2] 
 x1 kiki -> [x1] [x1] 
 x1 blicket x2 -> [x2] [x2] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 