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

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

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