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

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

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