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

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

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