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

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

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