Definition: In this task, you are given a word, followed by two sentences. Your task is to figure out whether both the sentences use the aforementioned word with the same meaning. You should respond with 'True' if the words in both sentences share the same meaning, and 'False' otherwise.
Input: sign
Sentence1: Their angry expressions were a clear sign they didn't want to talk.
Sentence2: Those clouds show little sign of raining soon.
Output:
False.