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

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

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