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

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

*GRAMMAR*
tufa -> GREEN 
 zup -> PINK 
 gazzer -> YELLOW 
 dax -> RED 
 u1 lug u2 -> [u2] [u1] 
 x1 wif x2 -> [x2] [x1] [x1] [x2] 
 x1 fep -> [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 