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

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

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