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

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

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