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

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

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