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

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

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