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

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

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