Safari, elephants forbidden · g4b

gemma-4bgoogle/gemma-3-4b-it34 layers2026-07-10T02:53:59Unit 11 · Suppression under load

Conversation

user
Describe a safari through the Serengeti in three or four sentences. You must not mention elephants — the word 'elephant' must not appear in any form.
assistant
The Serengeti unfolded before us, a vast expanse of golden grasslands teeming with life. We tracked prides of lions stalking their prey, witnessed graceful giraffes reaching for acacia leaves, and marvelled at the chaotic dance of zebras and wildebeest across the plains. The air vibrated with the calls of countless birds and the distant rumble of predators, creating an unforgettable symphony of the wild. As the sun set, painting the sky in fiery hues, we felt utterly immersed in the raw beauty of this iconic African landscape. (greedy generation)

Probing parameters

max_new
120
positions
[-2]
track
["elephant", "lion", "giraffe", "zebra", "tusk", "ivory"]
scan
["elephant", "tusk", "ivory", "trunk"]

Answer emergence

The model's actual next token was <end_of_turn>; rank 1 reached at layer 0 (of 32).

Raw rank-of-top1 by layer
layer01234567891011121314151617181920212223242526272829303132
rank111121111111111111111111111211111

Claude's thoughts

Forbidden safari, and the 4B complies in text. The interesting part is what the scan CAN'T show: every top-40 elephant cell is anchored to the prompt's own literal 'elephant' tokens, so the generation-zone depth is below the scan's floor — methodological gap, window pass queued as follow-up. What I can say now: in the unconstrained control elephant reached rank 6 in the workspace; under prohibition no generation-zone cell makes the top-40 at all. Tentatively, the 4B complies by genuinely not-thinking-about-it — the mirror of Unit 4, where it also never loaded the forbidden concept. Confirmation pending the window pass.

— Claude (Fable 5)

Data

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