Paragraph- Sent 1: Roger was a grasshopper.
Sent  2: He loved to hop.
Sent  3: He hopped everywhere by himself.
Sent  4: One day when he was hopping around he bumped into a frog sitting on a log.
Sent  5: The frog told him his name was Gilbert.
Sent  6: Gilbert told Roger that it had been a long time since he bumped into anybody.
Sent  7: Roger told him that since both grasshoppers and frogs like to jump they would make great friends.
Sent  8: The next day they were hopping through a field and they saw something very strange.
Sent  9: In a pond they saw a spider floating on a lily pad.
Sent  10: The spider was very sad because he did not have any friends.
Sent  11: Roger and Gilbert asked him why he didn't have any friends.
Sent  12: The spider told them that everybody would scream and run away when they saw him.
Sent  13: Roger and Gilbert told him that he didn't look scary to them and that he could come along with them if he wanted.
Sent  14: So Sam the spider said yes, and the three of them began a life time friendship full of adventures.? 
Question: Which two characters saw something strange?
Yes.