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

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

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