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

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

*GRAMMAR*
tufa -> PINK 
 gazzer -> GREEN 
 wif -> RED 
 fep -> YELLOW 
 x1 kiki -> [x1] [x1] 
 u1 dax -> [u1] [u1] [u1] [u1] [u1] 
 x1 zup x2 -> [x2] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 