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

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

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