Use reasoning to lead to the answer of the following question:
Lilly enjoyed watching films before bed. They were her favorite form of what?\nOptions:\n- falling asleep\n- fatigue\n- crying\n- entertainment\n- fall asleep
 Reasoning process:
User
To watch films is a form of entertainment. Lilly enjoyed watching films before bed as they were her favorite form of entertainment. Therefore, the final answer is entertainment.
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