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

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

*GRAMMAR*
wif -> PURPLE 
 gazzer -> GREEN 
 zup -> RED 
 fep -> YELLOW 
 u1 tufa x1 -> [x1] [x1] [u1] 
 x1 blicket u1 -> [u1] [u1] [x1] [x1] [u1] [u1] [u1] 
 x1 kiki x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 