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

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

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