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

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

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