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

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

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