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

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

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