Context: During the certificate awarding , his classroom teacher asked about his presentation , and he said he did n't understand . She did n't believe that . Considering he knew to show up to the group meetings when he felt like it , and was there when we discussed and practiced yesterday ... no one really does . But oh well . His professor from Temple will deal with that .

Question: Why did the guy show up to group meetings when he felt like it ?
Options:
0. None of the above choices .
1. Because he is irresponsible .
2. Because he said he did n't understand .
3. Because there was a certificate awarding .
Answer: 1