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

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

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