*SUPPORT*
IN: dax dax OUT: GREEN GREEN
IN: dax fep kiki OUT: GREEN BLUE BLUE BLUE BLUE
IN: wif lug OUT: YELLOW YELLOW YELLOW
IN: fep OUT: BLUE
IN: dax zup gazzer OUT: PURPLE GREEN PURPLE
IN: wif gazzer OUT: YELLOW PURPLE
IN: dax wif OUT: GREEN YELLOW
IN: dax OUT: GREEN
IN: wif dax OUT: YELLOW GREEN
IN: gazzer kiki OUT: PURPLE PURPLE PURPLE PURPLE
IN: dax wif kiki OUT: GREEN YELLOW YELLOW YELLOW YELLOW
IN: dax lug OUT: GREEN GREEN GREEN
IN: wif OUT: YELLOW
IN: wif zup wif zup gazzer OUT: PURPLE YELLOW PURPLE YELLOW PURPLE YELLOW PURPLE

*QUERY*
IN: dax wif lug OUT: GREEN YELLOW GREEN YELLOW GREEN YELLOW
IN: fep kiki OUT: BLUE BLUE BLUE BLUE
IN: fep lug OUT: BLUE BLUE BLUE
IN: wif gazzer gazzer OUT: YELLOW PURPLE PURPLE
IN: fep dax OUT: BLUE GREEN
IN: fep fep OUT: BLUE BLUE
IN: wif zup wif OUT: YELLOW YELLOW YELLOW
IN: wif kiki OUT: YELLOW YELLOW YELLOW YELLOW
IN: gazzer OUT: PURPLE
IN: dax kiki OUT: GREEN GREEN GREEN GREEN

*GRAMMAR*
gazzer -> PURPLE 
 fep -> BLUE 
 wif -> YELLOW 
 dax -> GREEN 
 x1 lug -> [x1] [x1] [x1] 
 u1 kiki -> [u1] [u1] [u1] [u1] 
 u1 zup x1 -> [x1] [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 