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

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

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