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

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

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