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

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

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