304
An early example of a pun with the expression " Time flies " may be found in a 1930 issue of Boys ' Life : In that form it had already appeared in discussions on linguistics and later in discussions on the feasibility of computer-based linguistic work , but by the mid-1960s the elaboration " time flies like an arrow " appeared in related contexts as an example of syntactic ambiguity .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None