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

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

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