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

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

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