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

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

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