In the following question, match the statement from column 1 with column 2 and find which of the following pair of statements given in the options make contextually and grammatically correct sense.

A goes with E: "The urban transportation system included an extensive network of" can be followed by "trains and buses connecting different neighbourhoods." This pair suggests that the urban transportation system comprises various modes of transport connecting different areas. The complete sentence is: The urban transportation system included an extensive network of trains and buses connecting different neighbourhoods. C goes with F: "The morning air was crisp and fresh" corresponds well with "invigorating everyone for the day ahead." This pair implies that the refreshing morning air rejuvenates and energises everyone for the day ahead. The complete sentence is: The morning air was crisp and fresh, invigorating everyone for the day ahead. Statement B doesn't have a clear match with the options provided in Column 2. This statement talks about a particular individual who opted for eco-friendly products but no statement in column 2 elaborates on the idea presented in this statement. Similarly, statement D does not relate to any statement in column 1. Hence, (a) is the correct answer.