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

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

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