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

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

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