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

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

*GRAMMAR*
wif -> GREEN 
 fep -> PINK 
 dax -> BLUE 
 gazzer -> RED 
 x1 lug -> [x1] [x1] [x1] 
 x1 tufa x2 -> [x2] [x1] 
 x1 kiki -> [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 