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

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

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