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

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

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