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

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

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