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

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

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