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

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

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