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

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

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