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

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

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