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

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

*GRAMMAR*
wif -> PURPLE 
 gazzer -> RED 
 kiki -> PINK 
 tufa -> YELLOW 
 u1 zup -> [u1] [u1] [u1] 
 u1 fep u2 -> [u1] [u2] 
 x1 dax x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 