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

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

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