| subject:. | a Who followed the gorilla? |
| object: | b. Who did the bear follow? |
| yes/no object: | c. Did the lion follow the bear? |
| yes/no filler: | d. Did you hear the word fence? |
| subject:. | a Who followed the gorilla? |
| object: | b. Who did the bear follow? |
| yes/no object: | c. Did the lion follow the bear? |
| yes/no filler: | d. Did you hear the word fence? |