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

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

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