Here are two sentences:

He claims it may seem unrealistic only because little effort has been devoted to the concept .

" This proposal is modest compared with the space programme , and may seem unrealistic only because little effort has been devoted to it .

no

Here are two sentences:

Peterson 's lawyer , Mark Geragos of Los Angeles , was quick to swipe at the testing procedure .

Peterson 's lawyer , Mark Geragos , of Los Angeles , has contested the DNA evidence , saying it is unreliable .

yes

Here are two sentences:

Another brother , Ali Imron , was sentenced to life in prison after cooperating with investigators and showing remorse .

Another brother , Ali Imron , received a life sentence after he cooperated with the authorities and expressed remorse .
yes