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

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

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