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

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

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