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

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

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