You will be given a definition of a task first, then some input of the task.
In this task you are given a tweet. You must judge whether the author of the tweet is happy or not. Label the instances as "Happy" or "Not happy" based on your judgment.

'Best customer, ... We are pleased to inform you that the order has been sent today.' #butterflies #excitement #technojoy #music ~ OP-1 <3
Output:
Happy