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

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

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