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

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

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