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

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

*GRAMMAR*
fep -> BLUE 
 blicket -> RED 
 wif -> GREEN 
 kiki -> YELLOW 
 x1 tufa x2 -> [x2] [x1] 
 x1 gazzer u1 -> [u1] [x1] [u1] [u1] [x1] 
 u1 lug u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 