instruction: What are the names of all of Alice's friends of friends?
response: SELECT DISTINCT T4.name FROM personfriend AS T1 JOIN person AS T2 ON T1.name = T2.name JOIN personfriend AS T3 ON T1.friend = T3.name JOIN personfriend AS T4 ON T3.friend = T4.name WHERE T2.name = 'Alice' AND T4.name <> 'Alice'