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

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

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