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

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

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