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

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

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