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

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

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