Context: Then he texts me again asking if I 'd eaten . Yes , I have . " Well we have n't " is the text I get back . I say ok back and the next text I get is " Ok , so let us eat " .

Question: What was the subject of the text ?
Options:
0. What drinks they were planning to order .
1. Whether they had eaten or not
2. What restaurant they were going to .
3. None of the above choices .
Answer: 1