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

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

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