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

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

*GRAMMAR*
gazzer -> RED 
 tufa -> GREEN 
 dax -> YELLOW 
 wif -> PINK 
 x1 zup -> [x1] [x1] [x1] 
 u1 fep u2 -> [u1] [u2] 
 x1 kiki -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 