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

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

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