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

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

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