Answer:
A person's emotional cues.
Step-by-step explanation:
The individual can recognize the other individual's intention by his behavior or the facial expression. The cues are the quiet effective to understand the speaker.
The researcher wants to find the gazzer. The children inferred that second object is gazzer. Here, the children uses the the emotional cues. The cues means that the work used by the speaker and his emotions by looking at his facial expressions.
Thus, the correct answer is person's emotional cues.