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

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

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