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

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

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