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

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

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