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

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

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