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

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

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