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

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

*GRAMMAR*
wif -> PURPLE 
 tufa -> GREEN 
 kiki -> PINK 
 fep -> RED 
 u1 gazzer x1 -> [u1] [x1] 
 x1 zup x2 -> [x2] [x1] 
 u1 blicket u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 