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

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

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