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

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

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