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

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

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