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

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

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