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

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

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