This is a paraphrasing task. In this task, you're given a sentence and your task is to generate another sentence which express same meaning as the input using different words.
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Question: just like that -- as you 're telling him this , you realize that you 're attracted to him also .

Answer: when you say that to him , you realise he 's attracted to you too .

Question: the bird hung tight , only spreading its wings momentarily to preserve its equilibrium .

Answer: the bird squatted , and only occasionally spread its wings a little to keep its balance .

Question: studying the lock , he noticed it was a simple one and would open quite easily .

Answer:
he checked the lock and saw it was easy and easy to open .