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

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

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