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

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

*GRAMMAR*
zup -> RED 
 tufa -> GREEN 
 wif -> PINK 
 fep -> PURPLE 
 x1 kiki x2 -> [x2] [x1] 
 u1 gazzer -> [u1] [u1] 
 u1 lug u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 