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

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

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