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

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

*GRAMMAR*
lug -> PINK 
 dax -> PURPLE 
 fep -> YELLOW 
 zup -> GREEN 
 u1 wif u2 -> [u2] [u1] 
 u1 gazzer x1 -> [u1] [x1] 
 x1 kiki x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 