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

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

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