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

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

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