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

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

*GRAMMAR*
wif -> YELLOW 
 fep -> BLUE 
 lug -> PURPLE 
 tufa -> GREEN 
 x1 zup u1 -> [x1] [u1] 
 x1 dax x2 -> [x1] [x2] [x1] 
 u1 kiki -> [u1] [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 