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

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

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