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

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

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