Best Bus, a bus company from Austin Texas would like to acquire a new bus. Somebody working at Best Bus found a nice second hand bus at Ebay (see the picture) for a reasonable price. When the president of the company sees the picture: "Yes man, this is a nice good looking bus, and pretty cheap too, but think man I never can satisfy my customers with such a bus." Why not?

Tim owns a pocket knife with five different tools. It has a corkscrew, a bottle opener, tweezers, a screwdriver and something else. What?

Sue has six pairs of white gloves and six pairs of pink gloves in her drawer. In complete darkness, how many gloves should she at least take from the drawer in order to be sure to get a pair that match?