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

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

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