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

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

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