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

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

*GRAMMAR*
wif -> GREEN 
 dax -> BLUE 
 tufa -> PURPLE 
 blicket -> YELLOW 
 u1 fep u2 -> [u1] [u2] 
 u1 lug -> [u1] [u1] [u1] 
 x1 zup x2 -> [x2] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 