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

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

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