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

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

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