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

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

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