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

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

*GRAMMAR*
wif -> BLUE 
 gazzer -> PURPLE 
 fep -> GREEN 
 kiki -> PINK 
 x1 dax x2 -> [x1] [x2] 
 u1 zup -> [u1] [u1] 
 u1 tufa u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 