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

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

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