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

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

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