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

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

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