This is perhaps more of a problem in winter racing when the temperature is cold and the tongue is out of the mouth for 10 to 15 minutes.
(This; is; perhaps more of a problem in winter racing) (the temperature; is; cold) (the tongue; is; out of the mouth; T:for 10 to 15 minutes)
This the temperature the tongue
is is is
perhaps more of a problem in winter racing
cold
out of the mouth T:for 10 to 15 minutes