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

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

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