1523
The sequence of four clones was sufficient to construct a 3018 - bp BAL cDNA structure .
 GENE: 3018 - bp BAL cDNA
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities: 3018 - bp BAL cDNA 
Answer:
 GENE: 3018 - bp BAL cDNA