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

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

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