None of the pitchers are throwers only of strikes. Some umpires are people who keep baseballs in a sack. No umpires identical to this one are people having baseballs. All pitchers identical to this one are people upset by seeing that the umpire had no baseballs. You should practice putting simple declarative sentences into QSCP form, and then identifying the mood of the resultant sentence.
Cashiers handle money.
Every supermarket employs cashiers. Some cashiers are friendly. Some cashiers are potential axe-murderers. No, really, some of them look at you with expressions you wouldn't expect to see on anyone unless they were intending to chop you up and bury you in a remote section of the state, you know, like where the road-signs say 'End County Maintenance'. Well, that last one might be a bit hard, but you get the idea.