14774
The binding of beta - galactosides and galectin - 3 - a protein that is correlated to the progress of tumor and metastasis - is examined .
 Chemical: beta - galactosides
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: beta - galactosides