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

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

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