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

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

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