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

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

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