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

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

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