Choose from options: Determine if the sentence is true based on the text below:
The withdrawal of Syrian troops from Lebanon was the direct action due solely to the murder by suicide bomber of Former Prime Minister Rafik Hariri.

Former Prime Minister Rafik Hariri, also a prominent anti-Syria political figure, was killed in a suicide bombing in February last year, which led to rising anti-Syrian waves and the withdrawal of Syrian troops from Lebanon.
 (A). Yes (B). It's impossible to say (C). No