11878
If the " cis " - alkene is desired , hydrogenation in the presence of Lindlar 's catalyst ( a heterogeneous catalyst that consists of palladium deposited on calcium carbonate and treated with various forms of lead ) is commonly used , though hydroboration followed by hydrolysis provides an alternative approach .
 person: Lindlar
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Lindlar 
Answer:
 person: Lindlar