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

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

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