Not all who wear striped work uniforms are cooks; the one not resting his head on his arms might not be resting; sitting at a table does not mean they have just experienced a long shift.


Context: Two people in striped work uniforms sit at a small table, one of them resting his head on his arms.
Hypothesis: Two cooks rest after a long shift.

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