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

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

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