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

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

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