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

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

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