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

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

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