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

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

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