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

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

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