*SUPPORT*
IN: lug tufa OUT: GREEN GREEN GREEN
IN: lug wif tufa OUT: GREEN YELLOW YELLOW YELLOW
IN: wif blicket OUT: YELLOW YELLOW
IN: wif tufa blicket OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: gazzer OUT: BLUE
IN: lug blicket OUT: GREEN GREEN
IN: lug OUT: GREEN
IN: wif OUT: YELLOW
IN: wif wif lug tufa OUT: YELLOW YELLOW GREEN GREEN GREEN
IN: lug lug tufa OUT: GREEN GREEN GREEN GREEN
IN: gazzer tufa OUT: BLUE BLUE BLUE
IN: wif wif blicket OUT: YELLOW YELLOW YELLOW YELLOW
IN: wif blicket blicket OUT: YELLOW YELLOW YELLOW YELLOW
IN: zup dax lug OUT: GREEN GREEN PURPLE GREEN GREEN PURPLE PURPLE

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

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