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

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

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