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

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

*GRAMMAR*
lug -> RED 
 gazzer -> YELLOW 
 fep -> BLUE 
 wif -> GREEN 
 u1 tufa x1 -> [u1] [x1] 
 x1 kiki x2 -> [x2] [x1] 
 u1 blicket u2 -> [u2] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 