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

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

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