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

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

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