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

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

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