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

*QUERY*
IN: lug fep gazzer OUT: PURPLE YELLOW YELLOW
IN: zup tufa gazzer OUT: RED GREEN GREEN
IN: tufa gazzer OUT: GREEN GREEN
IN: tufa tufa blicket lug blicket tufa OUT: GREEN GREEN PURPLE GREEN
IN: fep blicket fep OUT: YELLOW YELLOW
IN: lug zup gazzer OUT: PURPLE RED RED
IN: fep blicket lug blicket lug OUT: YELLOW PURPLE PURPLE
IN: tufa OUT: GREEN
IN: zup gazzer blicket tufa OUT: RED RED GREEN
IN: lug gazzer OUT: PURPLE PURPLE

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