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

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

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