```CODE: 
model = SentenceTransformer(model_id, truncate_dim=256, similarity_fn_name="dot").to(device=device)
embeddings = model.encode(words, prompt_name="STS", normalize_embeddings=True)

for idx, embedding in enumerate(embeddings):
    print(f"Embedding {idx+1}: {embedding.shape}")

print("-"*80)
check_word_similarities()
```

ERROR: 
Traceback (most recent call last):
  File "/tmp/google_embeddinggemma-300m_9z2RUao.py", line 14, in <module>
    model = SentenceTransformer(model_id, truncate_dim=256, similarity_fn_name="dot").to(device=device)
            ^^^^^^^^^^^^^^^^^^^
NameError: name 'SentenceTransformer' is not defined