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

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

*GRAMMAR*
gazzer -> PINK 
 tufa -> GREEN 
 dax -> YELLOW 
 fep -> PURPLE 
 x1 zup x2 -> [x1] [x2] [x1] 
 u1 kiki u2 -> [u1] [u2] 
 u1 wif u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 