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

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

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