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

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

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