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

*QUERY*
IN: dax gazzer OUT: PINK PINK
IN: blicket gazzer OUT: RED RED
IN: dax fep gazzer wif dax OUT: PINK PINK PINK GREEN GREEN
IN: lug tufa dax OUT: YELLOW PINK
IN: fep OUT: GREEN
IN: dax OUT: PINK
IN: dax dax tufa lug OUT: PINK PINK YELLOW
IN: blicket blicket gazzer OUT: RED RED RED
IN: lug tufa lug OUT: YELLOW YELLOW
IN: lug wif fep OUT: GREEN GREEN YELLOW

*GRAMMAR*
blicket -> RED 
 fep -> GREEN 
 lug -> YELLOW 
 dax -> PINK 
 x1 wif u1 -> [u1] [u1] [x1] 
 u1 gazzer -> [u1] [u1] 
 u1 tufa u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 