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

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

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