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

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

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