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

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

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