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

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

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