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

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

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