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

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

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