sentence: Mary scoffed at Jane's new hat, but was jealous of Jane's new watch, because Mary disliked the 
complete: hat .

sentence: The sales clerk tried to put the collar into the box but it would not fit because the 
complete: box was too small.

sentence: Since Victoria had to make a model of the solar system and Lindsey was a scientist, 
complete:
Lindsey gave help to make it.