//setConfigOption("rme.gop", "Priority Operator")

print("dumbo and hank--------------");
print(query("elephants.blp", "likes(dumbo,hank)"));
print(query("elephants.mln", "likes(dumbo,hank)"));
print(query("elephants.rme", "likes(dumbo,hank)"));

print("clyde and hank--------------");
print(query("elephants.blp", "likes(clyde,hank)"));
print(query("elephants.mln", "likes(clyde,hank)"));
print(query("elephants.rme", "likes(clyde,hank)"));

print("dumbo and fred--------------");
print(query("elephants.blp", "likes(dumbo,fred)"));
print(query("elephants.mln", "likes(dumbo,fred)"));
print(query("elephants.rme", "likes(dumbo,fred)"));

print("clyde and fred--------------");
print(query("elephants.blp", "likes(clyde,fred)"));
print(query("elephants.mln", "likes(clyde,fred)"));
print(query("elephants.rme", "likes(clyde,fred)"));