Premise: To take one obscure but critical Life on Earth remained entirely one-celled for 3 billion years.

Hypothesis: It took an additional several million years for the first multicellular organisms to emerge.
Answer: it is not possible to tell

Premise: From Candlemakers Row, enter the Greyfriars Churchyard through a gate on the right.

Hypothesis: There is no way to get to Greyfriars Churchyard if you are at Candlemakers Row.
Answer: no

Premise: and also you know it's like for for presentations it's like if you have to do any statistical data it can be easily represented on a on a PC it can be easily represented on a on a PC you know like years back when you didn't have that you would have to map out all this all these numbers

Hypothesis: It's not possible to use PCs for presentations so you still have to map out the numbers.
Answer: no

Premise: But...excuse me, if I may make a comment, but I thought you were a dark haired guy, and not a baldie.'

Hypothesis: I thought you had dark brown hair, not a shaved head!
Answer: it is not possible to tell