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

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

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