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

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

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