<｜begin▁of▁sentence｜>### Instruction:
Given a graph with the edge set [(1, 2), (2, 3), (3, 4)], this code snippet demonstrates how to generate a Graph Modeling Language (GML) representation of the graph using the 'generate_gml' function from the NetworkX library.
### Response:
import networkx as nx

# Create a NetworkX graph
g = nx.Graph()

# Add edges to the graph
g.add_edges_from([(1, 2), (2, 3), (3, 4)])

# Use the generate_gml function to create a GML representation of the graph
for line in nx.generate_gml(g):
    print(line)
<|EOT|>
