id	keyword
ghmj-1224	bacteria
ghmj-1224	water
ghmj-1224	red
ghmj-1224	gram
ghmj-1224	drinking
ghmj-1224	n.a
ghmj-1224	negative
ghmj-1224	coli
ghmj-1224	escherichia
ghmj-1224	coliform
ghmj-1224	ml2