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

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

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