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

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

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