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

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

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