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

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

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