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

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

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