请给下面一句话标上不同的标点，分别表示四种不同的意思。杨凡董南练球去你去不去1．2．

Question

请给下面一句话标上不同的标点，分别表示四种不同的意思。  
     杨凡董南练球去你去不去
1．                                                                                                   
2．                                                                                                   
3．                                                                                                   
4．                                                                                                 

Answer 1

1．“杨凡、董南练球去，你去不去？”    
2．杨凡：“董南，练球去，你去不去？”    
3．杨凡：“董南练球去，你去不去？”    
4．“杨凡，董南练球去，你去不去？”