Some syllogisms are not at all able to surprise you. So some syllogisms are not valid. Everything worth doing is worth doing right. Everything boring is not worth doing right. So boring things are not worth doing.
Every good bicycle has hand brakes.
Some messengers, bikes are not good bicycles. Every happy adult was once a grouchy teenager. Grouchy teenagers fly into fits of anger. So some happy adults fly into fits of anger. A tape recorder is a sophisticated piece of equipment.