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

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

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