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

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

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