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

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

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