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

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

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