*SUPPORT*
IN: tufa lug zup OUT: GREEN PINK
IN: zup lug tufa OUT: PINK GREEN
IN: zup fep wif kiki OUT: PINK PURPLE BLUE BLUE
IN: tufa lug tufa OUT: GREEN GREEN
IN: tufa dax OUT: GREEN GREEN
IN: wif dax OUT: BLUE BLUE
IN: fep fep lug tufa OUT: PURPLE PURPLE GREEN
IN: tufa OUT: GREEN
IN: wif OUT: BLUE
IN: fep dax OUT: PURPLE PURPLE
IN: tufa tufa lug tufa OUT: GREEN GREEN GREEN
IN: zup OUT: PINK
IN: zup dax OUT: PINK PINK
IN: zup lug zup OUT: PINK PINK

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

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