To follow something to the letter means to follow it exactly as it is written or instructed, without deviating.
Context: Being a revisionist was a tough assignment for someone that was now being told to follow every life direction precisely and without deviating.
Hypothesis: Being a revisionist was a tough assignment for someone that was now being told to follow every life direction to the letter.

Given this context, determine if the hypothesis is true (Yes, no, or unknown)?