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

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

*GRAMMAR*
lug -> PURPLE 
 dax -> RED 
 wif -> PINK 
 fep -> GREEN 
 u1 tufa u2 -> [u2] [u1] 
 u1 blicket -> [u1] [u1] [u1] [u1] [u1] [u1] [u1] 
 x1 zup x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 