*SUPPORT*
IN: zup OUT: PURPLE
IN: wif kiki OUT: BLUE BLUE
IN: gazzer gazzer kiki OUT: GREEN GREEN GREEN
IN: dax gazzer tufa OUT: PINK GREEN GREEN
IN: gazzer tufa OUT: GREEN GREEN
IN: dax kiki OUT: PINK PINK
IN: wif fep dax OUT: BLUE PINK BLUE
IN: wif tufa OUT: BLUE BLUE
IN: zup fep gazzer OUT: PURPLE GREEN PURPLE
IN: zup fep dax OUT: PURPLE PINK PURPLE
IN: dax zup fep wif OUT: PINK PURPLE BLUE PURPLE
IN: wif OUT: BLUE
IN: zup fep zup OUT: PURPLE PURPLE PURPLE
IN: gazzer zup dax OUT: GREEN PURPLE PINK

*QUERY*
IN: gazzer gazzer zup wif tufa OUT: GREEN GREEN PURPLE BLUE BLUE
IN: gazzer kiki OUT: GREEN GREEN
IN: dax wif OUT: PINK BLUE
IN: zup wif OUT: PURPLE BLUE
IN: zup tufa OUT: PURPLE PURPLE
IN: zup wif tufa OUT: PURPLE BLUE BLUE
IN: wif wif OUT: BLUE BLUE
IN: wif zup zup dax kiki OUT: BLUE PURPLE PURPLE PINK PINK
IN: gazzer OUT: GREEN
IN: wif fep zup OUT: BLUE PURPLE BLUE

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