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

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

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