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

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

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