Suppose NASA's Mars Exploration Rover Spirit was a robotic rover on Mars, active from 2004 to 2010. It was one of two rovers of NASA's ongoing Mars Exploration Rover Mission. After a software update restored functionality to the wheel motor movement control software, NASA announced on May 1, 2009, that Spirit would continue its scientific exploration mission.
Can we infer that "NASA's Mars Exploration Rover Spirit found signs of ancient life on Mars"? Yes, no, or maybe?