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

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

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