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

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

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