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

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

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