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

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

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