<｜begin▁of▁sentence｜>### Instruction:
Given a graph which you can read from 'example_graph.gml', can you find and print all the separator vertex sets of the minimum size?
### Response:
import igraph as ig

# Read graph from file
g = ig.read('example_graph.gml')

# Get all separator vertex sets of minimum size
min_separators = g.minimum_size_separators()

# Print the minimum size separators
print(min_separators)
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