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

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

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