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

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

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