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

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

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