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

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

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