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

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

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