Why do filipinos say "Opinion" when opening doors and "Conclusion" when closing?

joke, isn't it? x)

take door example, or other things opens or closes...

opinion - open yun
example in sentence: kung opinion (open yun) pintuan, makakapasok ka...
english tl: if door open, can go inside...

conclusion - kung close yun
example in sentence: [continuation of above example] conclusion (kung close yun), hindi ka makakapasok.
english tl: if close, can't go in.

((((((:

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