Fred buys a car<br>Fred knew he needed a new car. The one he had was starting to fall apart. One day fred's old car blew up with the engine smoking. Fred decided to get a tow truck to a dealership. Fred found the first car he could see and signed the lease.
Fred spent time researching new cars
The context infers that Fred bought the first car he could see and therefore did not spend any time researching new cars. The system likely took the phrase 'spent time' to literally, as time passed whilst he bought his car. 
( z1 spend :ARG0 ( z2 person :name ( z3 name :op "Fred" ) ) :ARG1 ( z4 time ) :ARG2 ( z5 research :ARG0 z2 :ARG1 ( z6 car :ARG1-of ( z7 new ) ) ) )