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

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

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