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

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

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