*SUPPORT*
IN: dax wif fep kiki OUT: GREEN RED GREEN RED GREEN RED
IN: gazzer tufa zup OUT: PINK BLUE BLUE BLUE
IN: tufa fep zup wif dax wif fep OUT: BLUE RED RED RED GREEN RED
IN: gazzer OUT: PINK
IN: fep fep zup OUT: RED RED RED RED
IN: fep tufa OUT: RED BLUE
IN: gazzer zup OUT: PINK PINK PINK
IN: tufa zup OUT: BLUE BLUE BLUE
IN: dax fep kiki OUT: GREEN RED GREEN RED GREEN RED
IN: dax zup wif dax OUT: GREEN GREEN GREEN GREEN
IN: dax fep zup OUT: GREEN RED RED RED
IN: fep fep fep fep zup OUT: RED RED RED RED RED RED
IN: fep kiki OUT: RED RED RED
IN: dax kiki OUT: GREEN GREEN GREEN

*QUERY*
IN: dax fep wif fep wif gazzer OUT: GREEN RED RED PINK
IN: fep zup OUT: RED RED RED
IN: fep dax OUT: RED GREEN
IN: fep dax zup OUT: RED GREEN GREEN GREEN
IN: fep wif dax OUT: RED GREEN
IN: tufa OUT: BLUE
IN: fep OUT: RED
IN: dax OUT: GREEN
IN: gazzer zup wif gazzer OUT: PINK PINK PINK PINK
IN: fep dax kiki wif dax OUT: RED GREEN RED GREEN RED GREEN GREEN

*GRAMMAR*
gazzer -> PINK 
 fep -> RED 
 tufa -> BLUE 
 dax -> GREEN 
 x1 wif u1 -> [x1] [u1] 
 x1 kiki -> [x1] [x1] [x1] 
 u1 zup -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 