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In which of the relations represented by the tables below is the output a function of the input? Select all that apply:$\newline$Input $-2$ $6$ $8$ $-1$ Output $10$ $12$ $10$ $-2$$\newline$Input $-5$ $4$ $4$ $6$$1$ Output $6$$2$ $4$ $6$$4$ $-1$$\newline$Input $6$$6$ $6$$7$ $6$$8$ $4$ Output $8$$0$ $6$ $8$$0$ $6$$6$$\newline$Input $6$$7$ $8$$5$ $6$$6$ $6$$6$ Output $8$$0$ $-1$ $-1$$0$ $6$$4$$\newline$Input $4$ $-2$ $6$$6$ $8$$5$ Output $12$ $6$$7$ $-5$ $12$