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

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

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