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

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

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