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

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

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