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

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

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