Answer:
There's one in every deck of cards and in a famous movie
Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?
I'm the son of water but when I return to water I die. Who am I?
Bobby likes Jimmy but not Joe, apples but not pears, jeeps but not vans, shinny but not hockey, tennis but not squash. Who will he like, Sara or Sally?
The more you look at it, The less you see.
I am a room that has a roof but no walls. What am I?