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

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

*GRAMMAR*
tufa -> GREEN 
 wif -> BLUE 
 gazzer -> PINK 
 zup -> PURPLE 
 x1 kiki x2 -> [x2] [x2] [x1] 
 u1 fep -> [u1] [u1] 
 x1 dax x2 -> [x1] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 