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

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

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