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

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

*GRAMMAR*
tufa -> GREEN 
 dax -> BLUE 
 lug -> PINK 
 gazzer -> RED 
 x1 wif -> [x1] [x1] [x1] [x1] [x1] 
 u1 zup u2 -> [u1] [u2] 
 u1 kiki -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 