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

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

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