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

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

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