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

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

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