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

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

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