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

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

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