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

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

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