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

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

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