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

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

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