*SUPPORT*
IN: tufa fep OUT: GREEN PINK
IN: lug zup kiki zup fep OUT: PURPLE YELLOW YELLOW PINK YELLOW PINK
IN: tufa gazzer fep wif tufa gazzer tufa OUT: GREEN GREEN GREEN GREEN PINK GREEN
IN: lug fep zup OUT: PURPLE PINK YELLOW
IN: tufa tufa fep OUT: GREEN GREEN PINK
IN: lug lug fep gazzer lug OUT: PURPLE PURPLE PINK PURPLE PURPLE PURPLE PINK
IN: tufa lug kiki lug OUT: GREEN PURPLE PURPLE PURPLE
IN: tufa OUT: GREEN
IN: tufa wif zup gazzer fep OUT: YELLOW PINK YELLOW GREEN
IN: zup tufa gazzer zup OUT: YELLOW GREEN YELLOW YELLOW GREEN
IN: lug kiki fep OUT: PURPLE PINK PINK
IN: lug wif fep tufa kiki fep OUT: PINK GREEN PINK PINK PURPLE
IN: tufa fep wif lug OUT: PURPLE GREEN PINK
IN: tufa tufa kiki fep kiki tufa OUT: GREEN GREEN PINK GREEN GREEN PINK GREEN GREEN

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

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