Suppose that str1, str2, and str3 are string variables. After the following statements execute, the value of str3 is "____". 
Definitions:
Random Opportunistic Way
An approach where decisions and actions are taken spontaneously, capitalizing on unforeseen opportunities without a predetermined strategy.
Rationally Planned
The process of systematically organizing tasks or projects through logical and structured planning.
Thought-Out Plan
An intentionally devised strategy that has been carefully considered and organized to achieve a purpose.
Work Environment
The physical and psychological conditions in which employees perform their job duties.
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