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

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

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