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

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

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