His thoughtless gibe did not create an atmosphere that encouraged discussion. The first option is accurate.
Contextual meaning of words
The dictionary meaning of gibe is 'to make taunting, heckling, or jeering remarks'. This means that gibes are usually associated with a discussion between two or more people.
Remarks are usually given as a form of response to statements made or written.
Thus, the sentence that portrays the meaning of gibe as defined by the dictionary entry is the one in reference to a discussion.
Giving a taunting remark in response to a discussion really does have the capacity to discourage discussion.
More on contextual meanings of words can be found here: https://brainly.com/question/12580898
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