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

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

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