user
A one-seeded fruit I may be, but all of your calendars are full of me.   What am I?
A: persimmon
B: docket
C: reference work
D: dates
E: hebrew calendar
assistant
<|begin_of_thought|>

Deep Thought is thinking for 7.5 million years.

<|end_of_thought|>

<|begin_of_solution|>

D

<|end_of_solution|>