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

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

*GRAMMAR*
fep -> GREEN 
 zup -> YELLOW 
 tufa -> PURPLE 
 lug -> BLUE 
 u1 wif -> [u1] [u1] 
 u1 kiki u2 -> [u2] [u1] 
 x1 dax u1 -> [u1] [x1] [x1] [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 