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

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

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