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

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

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