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

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

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