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

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

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