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

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

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