| Phase1 | Phase2 | Phase3 | Phase4 | Phase5 | Phase6 | ||||||
| Word | TFIDF | Word | TFIDF | Word | TFIDF | Word | TFIDF | Word | TFIDF | Word | TFIDF |
| (Location name 1) | 0.0309 | Strawberry | 0.0159 | (Location name 4) | 0.0164 | Decide | 0.0209 | Primary school | 0.0196 | Good | 0.0219 |
| Acquaintance | 0.0257 | Festival | 0.0136 | Graduate school | 0.0164 | Bothering | 0.0163 | Girl | 0.0157 | Contact | 0.0209 |
| Business Administration | 0.0257 | (Location name 3) | 0.0115 | (Location name 2) | 0.0145 | Gather | 0.0140 | School | 0.0098 | Happy | 0.0209 |
| (Location name 2) | 0.0227 | Seminary | 0.0091 | Hot spring | 0.0131 | Stance | 0.0116 | Junior high school | 0.0098 | Turning point | 0.0139 |
| Do | 0.0195 | Preparation | 0.0091 | (Train line name 1) | 0.0131 | Conversation | 0.0116 | Problem | 0.0087 | Take | 0.0139 |
| Convenience store | 0.0154 | Testy | 0.0068 | Sit | 0.0104 | Walk | 0.0103 | Nauseous | 0.0078 | Quiet | 0.0139 |
| Kick | 0.0154 | Marine | 0.0068 | Commute | 0.0098 | Invite | 0.0103 | Bully | 0.0078 | Walk | 0.0132 |
| Name | 0.0154 | Opportunity | 0.0068 | (Train company name) | 0.0098 | Her | 0.0093 | You | 0.0078 | Good relationship | 0.0132 |
| Ask | 0.0154 | Place | 0.0068 | Get lost | 0.0098 | Mood | 0.0093 | Drink | 0.0078 | Age | 0.0132 |
| Past | 0.0103 | Happen | 0.0068 | (Train line name 2) | 0.0098 | Hobby | 0.0093 | Boy | 0.0078 | Friend | 0.0128 |